Style: In-Ear

Connectors: USB

Use: Mobile Phone

Function: Bluetooth,Noise Cancelling,Microphone

Communication: Wireless

Key Features : 

* Function:   talking on the phone / Digital signal processing (DSP) / Smooth A2DP stereo music play

* The latest version :  V4.0 

* Voice answer : Noise Cancelling , Noise Isolating

* Can show the remaining battery for Apple Phone

* Can connect two phones at the same time 

* Frequency range: 2.4GHz-2.48GHz

* Transmission power: Class2

* Transmission distance: 10M

* Operating voltage: 3.6V

* Operating current: <25mA

* Standby current: <0.5mA

* Charging time: 1-2H

* Taking time: About 4 hours

* Standby time: About 150 hours

* Color:  Black , White