Original Remax RB S6 NeckBand Wireless Bluetooth Headset Earbud
Model No.: RB-S6
Product Name: Sports Neckband Bluetooth Headset
Colors: Black, White
Bluetooth Version: V4.1
Bluetooth Frequency Band: 2.4GHz-2.48GHz
Bluetooth Communication Range: 10m
Speaker Diameter: 10mm
Sensitivity: 105dB±3dB
Impedance: 16Ω
Transmission Range: 50-10000Hz
Working Vo...