Headset

Speaker unit: Ф40mm
Frequency: 20Hz-20,000Hz
Color: Black
Type: Supraaural
Impedance: 320 $ 15%
Maximum output power (P.M.P.O): 20mW Sensitivity: 105dB ‡ 3dB/mW (S.P.L at |KHz)

Microphone
Directivity: Omnidirectional
Frequency: 100Hz ~ 18kHz
Type: Integrated
Impedance: 320
Sensitivity: 105dB ‡ 3dB/mW (S.P.L at 1KHz)

Connectivity
Connection type: Compatible with Bluetooth®
Wireless signal range: 10m
RF wireless frequency: 2.4GHz

Battery
Battery type: 300mAh rechargeable lithium
Charging time: 1 hour
Operating time: Up to 9 hours regulated at intermediate level
Standby time: Up to 30 hours