*Full duplex, noise and echo cancellation, DSP technology
*Frequency Range: 2.4GHz spectrum
*Bluetooth specification: 2.0
*Working Distance Range: 10 Meters(class2)
*Built-in microphone and loudspeaker.
*Voice dial & Redial&TTS.
*USB PORT: For firmware upgrade only
*Pairing: Memorize up to 8 mobile phones simultaneously.
*Charging Time: Within 2 hours
*Talking Time: Up to 10 hours
*Standby Time: Up to 150 hours
*Rechargeable Battery: Lithium-ion, 3.7V, 640mAh installed
*Battery Protection: Over charge and over discharge protection
*Input Current: 350 mA (internal controlled)
*Input Voltage: DC 5V
*Speaker Power: 2W (max)
*Speaker Impedance: 4 ohm
*Sensitivity of Microphone: -58dB

Selling Point of Products:
1. With Japan Seiko battery protection board for Battery Protection Over charger and over discharge protection to prolong the lifespan of the battery.
2. Adopting an independent DSP digital technology to cancel the noise of the car kit.
3. The battery is Lithium-ion battery(640mAh)and can sustain more than 10 hours talk time. It is packed with a soft paper which can prevent explosion.
4. Adopting CSR BC3 bluetooth chipset with the highly of stability and compatibility.
5. Can be used for the small conference speaker.
6. Handsfree car kit will be switched off automatically if the connection between the mobile phone and the handsfree breaks down for more than 15 minutes.
7. The handsfree can be made to be Multi-point due to customer.