Product information:
Color: BT-71 three-generation Bluetooth black ribbon packaging, BT-71 three-generation Bluetooth red ribbon packaging, BT-71 three-generation Bluetooth pink ribbon packaging, BT-71 three-generation Bluetooth ribbon packaging
Transmission range: 10 meters
Channel: Stereo
Chip type: Jerry
Battery life: 100
Function: power display, call function, support music
Purpose: neck suspension
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