Features:- Convenient simple operation and installation- Allows a speakerphone connecting to two mobile phones simultaneously- Advanced noise suppression and echo cancellation- Full Duplex & high performance- Built in speaker and microphone- Can make/answer/end/reject/redial a call by the Bluetooth speakerphone- Automatically re-connection between speakerphone and mobile phone Specification:- Bluetooth Specification: V3.0， Class 2， 10 meters- Operating Frequency Band: 2.4GHz ~ 2.48GHz;- Rechargeable battery: 3.7V DC， 500mAH- Normal Charge Time: up to 3 hours (approx)- Talk time: up to 20 hours- Standby time: up to 1000hours- Dimension: 149*49*14 MM- Color: Black / Red / Blue for choose- Net Weight: 65g Package includes:1 x Bluetooth Hands free Speakerphone1 x Car Charger1 x USB cable1 x User Manual1 x Iron Holder