Volkano Impulse Series Bluetooth Headphones – Black

Volkano Impulse Series Bluetooth Headphones. Walk and Talk feature with a Micro SD Card Reader, Line-in Mode and FM Radio.
Specifications:
? Input Voltage: 3.7 5V.
? Bluetooth Version: V4.0.
? Transmission Distance: 10M(approx. 33 ft).
? Battery Capacity: 250mAh.
? Transmission Frequency: 2.45GHz.
? Charging Time: 70min.
? Supporting Operating System: IOS, Android.
? Minimum Rated Talk Time: 8 hours.
? Support: FM/TF Card.
? Minimum Rated Standby Time: 250 hours.
? Battery Type: Lithium Ion