Specification
Technology : CSR88645 Bluetooth 4.0 with Apt-X codec
Power Supply : Lithium Ion Battery・?3.7V・?85mAh (Rechargeable)
Transmission Range : Bluetoothc Class II
Charging Time : about 1.5hrs
Talk time : up to 4.5 hours
Music play time : Up to 4 hrs
Standby Time : Up to 80 hrs
Headphone
Drive Size : 8.6mm Neodymium
Frequency Response : 20Hz ~ 20KHz
Senstitve @1KHz/mW (dB) : 94 +/- 3dB
Impedance : 16chm
Microphone
Type : OMnidirectional
Response : 100Hz~10KHz
Sensative @ 1KHz/mW (dB/Pa) :-30
Mic impedance : 2.2k ohm