- Answer calls handsfree<br />- Built-in 650mAh li-poly battery<br />- Built-in microphone and loudspeaker<br />- Compliant with Bluetooth V2.0<br />- Operating frequency: 2.4GHz<br />- Input: DC5V<br />- With TTS (Text to Speech) function<br />- Full DSP echo cancellation<br />- Solar powered or via car charger<br />- Bluetooth profiles: headset、 handsfree<br />- Package includes USB cable、 DC12-24V car charger、 holder and English manual<br /><br />                                                                                                                                Dimensions: 3.94 in x 2.13 in x 0.79 in (10.0 cm x 5.4 cm x 2.0 cm)<br />Weight: 2.40 oz (68 g)<br /><br />