REMAX RB-S20 Wireless Sports Bluetooth Earphone Neckband Earbuds with Mic (Red)
Product Description:
Brand: REMAX
Model: RB-S20
Color: Red
Bluetooth version: 4.2
Transmission distance: (without obvious obstacles) 10 meters
Frequency response: 20-20kHz
Output: 86dB
Microphone sensitivity: -44dB
Battery capacity: 65mAh
Impedance: 16 ohm
Rated power: 3MW
Driving unit: moving coil
Play time: 10H
Standby time: 60 hours
Charging time: 1H
Weigth: 40g