*This is compatible Apple K3 Bluetooth headset.It adopts Bluetooth V2.0+EDR technology.It just allows you to make or receive phone calls freely with the max freedom range of 10m from your mobile phone.Built in high capacity li-ion battery which can support up to 4 hours talk time and over 100 hours of super long standby time.Best choice for a Bluetooth headset.
*Bluetooth V2.0+EDR technology.
*Profiles Supported: Headset, handsfree.
*Transmission Power: Class 2
*Operation Range: up to 10m
*Frequency Range: 2.4-2.4835GHz
*Built in high capacity rechargeable li-ion battery, 3.7V
*Charging Voltage: DC 5.0 - 6.5V.
*Charging time: 3 hours appro
*Talk Time: up to 4 hours.
*Standby time up to 100 hours.
*Dimension: 53.5x 13.5x 6mm(LWH)
*Weight: about 6.6g