Volkano Velocity Series Bluetooth Headphones – Black

Bluetooth wireless earphones with FM radio.
? Bluetooth Version: v4.0
? Transmission Distance: 10m (Approx. 33 ft)
? Input Voltage: 3.7~5V
? Transmission Frequency: 2.45GHz
? Minimum Rated Talk Time: 7 hours
? Supports: FM/TF Card
? Minimum Rated Standby Time: 230 hours
? Charging Time: 70min
? Battery Capacity:220mAh
? Battery Type: Lithium Ion
? Supported Operating Systems: iOS, Windows and Android