Specification of wireless
Wireless version : 4.2
Operation distance : 10m
Range of frequency : 2.4 to 2.4835Ghz ISM band
Specification of Headphone
Type : Stereo headphone with MIC
Speaker : 40mm
Sensivity : 115dB S.P.L at KHZ
Impedance : 32 omega
Frequency response : 20HZ20KHZ
Rated Power : 2 X 20mW
Rechargeable lithium battery : 550mAh
Support take photos by mobile phones , especially for photographing self conveniently and anytime and anywhere , better enjoy the pleasure of taking pictures.
It will prompt the phone number when you have a coming call , it is more convenient.
IOS mobile phone realtime display the earphone battery let you know the earphone battery.
Talk time : up to 7 hours.
Music time : up to 8 hours
Standby time : up to 120 hours.