Bluetooth+2.4G wireless headset+wired ( Jieli ) |
Detachable microphone. |
Frequency:2.400-2.483GHz |
ISM frequency band /SFSK |
Transmission distance: 10M |
Playing time: 10H |
Charging time: 2.5h |
Battery: polymer 3.7v 1200MAH |
Speaker diameter: Φ 50 mm |
Speaker frequency: 20Hz ~ 20KHz |
Speaker sensitivity: 105dB + / 3dB |