July 31, 2026
Will do business with Flashbay again.
I had a great experience with Flashbay! Quick, concise, high quality workmanship, and beyond my expectations. Will do business ... Read more
Bluetooth® Earphones & Headphones Duet Quick QuoteQuote
The Duet Bluetooth® Earphones combine style and performance into one fantastic promotional product that'll be used for years to come. The earphones are packed with features including playback controls to play, pause and skip music. You can also answer and hang up phone calls right from the earphones. The Duet Earphones can be charged via the nifty USB-C charging case that comes included. We can Screen Print your logo onto both earpieces and the charging case lid. Get in touch today regarding prices and our express delivery times.
9 Days Lead Time. We assemble, customise and deliver your order all within this time!
9 Working Days Lead Time for orders up to 2,000 units. For larger orders, a little longer - contact your Account Manager or refer to your Quote.
Available from just 10 units
Whether you're after a small or large quantity, our friendly Account Managers will give you the best service they can. Enquire to get prices, virtual proofs with your logo and dummy samples. No obligation to order.
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remaining to order for delivery on Monday, August 17, 2026
April 13, 2026
We are very satisfied with Flashbay products and customer experience. Their service was extremely quick, and they attended to all of our requirements with great care. Highly recommend.
October 22, 2025
Cole Keller is the best. I worked with him several years ago and I only wanted to buy from one vendor this time. His communication was great and he works very quickly. The branded products he made for our company were spot on! Will definitely buy from you again.
July 16, 2025
Great customer service, prompt communication, merchandise good quality, good range.
February 28, 2025
Excellent Service and Outstanding Support from Angelo!
I had an exceptional experience ordering from Flashbay! The service was excellent—very responsive, efficient, and helpful throughout the entire process. My order was delivered even faster than expected, which was a pleasant surprise. A special thanks to Angelo, who went above and beyond in assisting me. He not only provided great support but also meticulously tracked every step of the process until my order was received. The product itself met all my expectations and was of high quality. I highly recommend Flashbay, and if you have the chance, definitely work with Angelo for a seamless and professional experience!
Colours
Black
White
Branding Options and Print Area
Branding Area designated by
Screen Printing:
Area Side: 5mm X 27mm
Area Top: 62mm X 21mm
Photo Printing:
Area Side: 5mm X 27mm
Area Top: 62mm X 21mm
Screen Printing:
Area Side: 5mm X 27mm
Area Top: 62mm X 21mm
Photo Printing:
Area Side: 5mm X 27mm
Area Top: 62mm X 21mm
Screen Printing
The product can be branded using a technique called 'Screen Printing', the most established method to print onto objects. Our prices always include screen printing in up to 4 colors on all the print areas. Logo artwork for products with this symbol should be provided in a vector format such as .eps, ai, or.cdr. Fonts should be converted to outlines and all colors 'solid', rather than in tones or shades.
Photo Printing
This product can be branded in full color. Logo Artwork should be high resolution and 300DPI. You can upload files as .png, jpeg or .gif formats. Low resolution image files lifted from websites will not give good results. Our prices always include printing in full color on all the print areas shown on the product description.
Gallery - Custom True Wireless Bluetooth® Earbuds, Duet
Features
- Impressive sound quality
- Playback controls to play, pause & skip music
- Bluetooth® 5.4 Technology with low voice latency
- Easy pairing to iPhone™, iPad™, Android & Windows mobile devices
- Mic for hands free calling and answering
- Magnetic charging case (USB-C port) with LED battery status
- Up to 5 hours playtime before recharge required
How they come
Your Earphones
Charging Case
with USB-C cable
with USB-C cable
User Manual
Kraft Card Box
Accessories
Magnet Box Large
The Magnet Box Large protects the model when it's not in use and features a large branding area to showcase your logo, website address, slogan and more. The inside of the box features a custom-fit foam that keeps the product securely in place.
Services
Bluetooth® Name
The Bluetooth® name is what the user sees on their smartphone or tablet device when pairing to their Audio product. We can customize this name to your brand name, giving your organisation further exposure. If you don't want this service, the default 'Promo Audio' name will be allocated to the product.
Customer Reviews of Duet
December 16, 2025
Excellent service and top quality products
Quick reply to product queries and fast turn around with order. Our rep Nicholas was so helpful and nothing was too much trouble
October 20, 2025
Smooth / Efficient and end product…
Smooth / Efficient and end product looked great.
June 2, 2025
Extremely flexible to our changing needs
Flashbay and especially Ruari was extremely flexible and understanding of our changing needs. We were able to order specific quantities which really aided our activities. Design updates were turned around quickly and communication was very clear throughout. Many thanks Ruari and the team at Flashbay.
January 30, 2025
Radhika was patient and organised with…
Radhika was patient and organised with our order and helped us with the design of the product
December 19, 2024
Great customer service and Products
Great customer service, Nicholas was great at understanding our needs and wants and has created 3 brilliant products.
We purchased bottle, charger and ear buds which are great quality and will make our swag bags at our event awesome.
We would highly recommend and will be coming back for next years event.
December 18, 2024
Amazing service
Amazing service , Value and Helpful
November 15, 2024
This 5-star review is well-deserved
This 5-star review is well-deserved! We were under pressure to organise our gifts, and Tom delivered brilliantly with a quick turnaround on deliveries just in time for our event. The designs were meticulous, and the quality was exceptional. I highly recommend Flashbay and will definitely be returning for more. Cheers!"
August 7, 2024
Quality service and goods
From enquiry to delivery, we couldn't have asked for a more efficient and professional service.
The product is great quality, well presented and delivered in a quick turn around. Flashbay are the new benchmark for our merch needs!
Read our 265 local reviews or 153,555 global reviews
Dimensions and Weight
Length: 82mm (3.2 inches)Width: 37mm (1.5 inches)
Height: 21.7mm (0.9 inches)
Weight: 35.00 grams (1.2 ounces)
Tech Specs
Output power / Impedance：4mW / 32Ω±15％Frequency Response: 20Hz – 20KHz
Bluetooth Effective Range：10M
Battery: 30mAh lithium polymer 3.7V
Play time：3hrs high volume, 5hrs low volume.
Standby time: >200 hours (when not in use)
Environment
RoHS This product fully conforms to RoHS Directive (EU Restriction of hazardous substances).Related Products Ideas
Duet – Frequently Asked Questions
What are the main features of the Duet Bluetooth® Earphones?
The Duet Bluetooth® Earphones feature Bluetooth® 5.4 technology for a stable connection, playback controls for music and calls, a built-in microphone for hands-free calling, and a magnetic charging case with a USB-C port.
How do I charge the Duet Bluetooth® Earphones?
The Duet Bluetooth® Earphones come with a magnetic charging case that features a USB-C port, allowing for convenient and modern charging.
What is the battery life of the Duet Bluetooth® Earphones?
The Duet Bluetooth® Earphones offer up to 5 hours of playtime on a single charge, depending on volume levels.
Can I customize the Bluetooth® name of my Duet Bluetooth® Earphones?
Yes, we can customize the Bluetooth® name that appears on your smartphone or tablet when pairing, allowing you to display your brand name instead of the default 'Promo Audio'.
What devices are compatible with the Duet Bluetooth® Earphones?
The Duet Bluetooth® Earphones are designed for easy pairing with iPhone™, iPad™, Android, and Windows mobile devices.
What is the minimum order quantity for the Duet Bluetooth® Earphones?
You can order the Duet Bluetooth® Earphones starting from just 10 units.
What is the lead time for ordering the Duet Bluetooth® Earphones?
The standard lead time for orders up to 2,000 units is 9 working days, during which we assemble, customize, and deliver your order.
What accessories are available for the Duet Bluetooth® Earphones?
The Duet Bluetooth® Earphones can be paired with our Magnet Box Large, which protects the product and provides an additional large branding area for your logo.
What is the difference between Screen Printing and Photo Printing for the Duet Bluetooth® Earphones?
Screen Printing is ideal for logos with 1-4 solid colors without shading, providing a sharp, durable finish. Photo Printing is best for complex designs, gradients, or full-color images, allowing for high-resolution, vibrant reproduction.
How should I provide my logo for branding the Duet Bluetooth® Earphones?
For Screen Printing, please provide your logo in a vector format (.eps, .ai, or .cdr) with fonts converted to outlines. For Photo Printing, provide high-resolution files (300DPI) in .png, .jpeg, or .gif formats.
