Bluetooth Headset Headphones Sports Bluetooth Headset In-Ear Headphones 4.2 Two-ear I7S Bluetooth Headset

Transmission range:10 m
Features:Battery display, voice control, call function, music support, multi-point connection
Bluetooth protocol: 4.1
Channel:stereo
Way of use:Earbud
Whether single or both ears:Bilateral stereo
Occasions for gifts:Advertising promotions, trade fairs, public relations planning, business gifts
Colour: White