Transmission range: 10 meters
Function: battery display, call function, support music, multi-point connection
Bluetooth protocol: 4.0 channel stereo
How to use: Head-mounted
Whether single or both ears: bilateral stereo
Applicable gifts occasions: opening ceremony, employee benefits, anniversary celebrations, advertising Promotion, festivals, trade fairs, housewarming, public relations planning, birthday, business gifts
Color: red, black, blue, white
Main sales areas: Southeast Asia, Northeast Asia, Africa, Middle East, Europe, Australia, South America, North America
Bluetooth chip: CSR
Bluetooth version: bluetoothV4.0
Battery: 1000mAh rechargeable lithium battery
Charging time: 3 hours
Working hours: 40 hours
Standby time: 900 hours
Unit impedance: 320
Sensitivity: 118db
Frequency response range: 20Hz-20KHz
Audio input: wired / wireless
Accessories: 3.5mm
Thank you very much for your trust and support, and I wish you a happy life.