TinHiFi T3 Plus In-Ear Headphones (Open Box) usb-a female The BTD 600 is a

The BTD 600 is a Bluetooth® dongle specially developed by Sennheiser audio experts to be a perfect match for our Bluetooth®-enabled products

blue wire - mid-high channel

the headphones have to become unnoticeable

4GHz Wireless transmitter power: <13 dBm

TinHiFi T3 Plus In-Ear Headphones (Open Box) usb-a female The BTD 600 is aTINHIFI T3 PLUS, a brand new product of the T series, combines delicate sound quality, exquisite workmanship, high end accessories, gorgeous appearance, delicate packaging, and appropriate prices. 1. Ergonomic Design: TINHIFI T3 PLUS adopts 3D printing technology to accurately capture the contour of the ear canal and the shape of the outer ear through the computer model simulation database of the human ear, which not only perfectly fits the human ear