Specifications:
Bluetooth version: CSR4.1
Frequency response: 20-20000Hz
Bluetooth usage frequency: 2.4Ghz
Pressure transmission distance: About 10 meters
Color: red, black, blue
Call/play time:About 4-5 hours
Charging time: About 1-2 hours
Packing List:
1 * TaoTronics Bluetooth Headphones