Item NO. AD-326 Bluetooth Steering Wheels Series 1. Universal fitting systems for all steering wheels, stick on anywhere in your car. 2. Answer/ end/ reject a call. 3. Voice dialing , last call redialing and call switching function. 4. Super bright LCM caller English name display and caller ID. 5. Support 200 numbers Phonebook. 6. Scroll the 20 groups of incoming calls. 7. Built-in high intelligent microphone and powerful speaker. 1. Bluetooth specification: 2.0+ EDR, Rang 0-10 meters. 2. Supportheadset and handsfree profile. 3. Complete bluetooth wireless installation. 4. DSP technology, Full duplex, noise and echo suppression. 5. Support two mobile phone connections. 6. Power Supply: 3A battery.