Multi-Function Dial:
－
:Volume Down / Previous Song
＋
:Next Song /Volume Up
/
:
Play & Pause / Call pick-up & hang-up
:
Press and hold for 2.5 seconds to turn the headphone ON or OFF
IV. SPECIFICATION
Model: H-023
Bluetooth specification: V4.0
≦
Transmission distance :
10M ( It varied when the environmental factors and the
connected Bluetooth devices are different )
Audio Input: Bluetooth
、
AUX
USB charging voltage: DC 5V
Working voltage
：
3.7V
Built-in battery: Lithium battery,300mAh
Frequency response: 20Hz-20KHz
Sensitivity: 105db
AT 1KHZ+3db
Dimensions: 188.67x168.36x75.6mm