High Quality Bluetooth Speakerphone/Car Kit,BH-0103212 1. Use on desk-top like a conference speakerphone and in-cr like a hands-free car kit, that's as mobile as you are, no installation required. CSR BC3 chipset, Bluetooth 1.2. Bluetooth class 2, 10 meters, Talk time: over 7-8 hours. Standby time: over 500 hours. Battery: 3.7v/650mAh, rechargeable polymer battery, Battery replaceable, NoKia #BL-5C battery compatible. Power Charge:(Normal charge time 3 hours) (1) By charger:charge by cigarrete lighter of car, or charge by AC/DC charger(DC 5 tO 6 v/400mA) (2) By usb cable: usb cable can pull out from charger. easy to charge from PC. Frequency: 2.4GHz . Weight: 80g , Size: 12.6*4.7*1.6Cm. Clamshell package,unit size: 26*16*7cm,unit weight:257g Color: Black. 2. Features: Power ON/Off, last number redial, Voice dialing function, pairing, LED,Volume +/Volume -, Advanced Built-in Mic. High performance DSP solution for echo cancellation & Noise suppression, impeccable Full duplex sound quality. Automatic re-connection if Bluetooth link is disrupted, Universal,compatible to any Bluetooth mobile phone, Multi-Pair Up to 7 devices.Suppor VoIP/Skype. Pairing encryption and authentication. One-touch answer, call rejection, Privacy Handset, Mute/Un-mute, Call inter-Changing: (1) Speakerphone to Handset; (2) Handset to Speakerphone. Bluetooth headset & Bluetooth handsfree profiles . 3. Accessories: 1). Bluetooth speakerphone 2). User manual (English & Chinese) 3). Sunvisor Clip. 4). Car Charger . 5). TRavel charger is a option. 4. Carton: pcs/carton, N.W.: kg, G.W.: kg. carton size: cm x cm x cm.