Connectors:USB

Control Button:Yes

Active Noise-Cancellation:No

Style:In-Ear

Communication:Wireless

Vocalism Principle:Orthodynamic

Volume Control:No

Wireless Type:Bluetooth

Codecs:Apt-X

Support Memory Card:No

With Microphone:Yes

Model Number:i23

Resistance:32Ω

Frequency Response Range:15-20000Hz

Function:For Mobile Phone

Function:HiFi Headphone

Function:Sport

Sensitivity:120±5bB

Waterproof:No

Is wireless:Yes

Line Length:None

Plug Type:Wireless

Support APP:No

Standby  Time:120 hours

Playing Time:4-5 hours

Function: double call siri up and down touch control  

Battery: 350 mA headset 35 mA usage time 3 hours standby 45 days