Northrhineus Bluetooth Multipoint Speakerphone Hands-Free Visor Car kit Black Enables you to have hands-free calls while driving, compatible with any Bluetooth cellphone-iPhone, Android,Blackberry,etc Available for 2 mobile phone connected simultaneously with standby mode, automatic pairing. Last call redial, reject incoming call. Rechargeable Lithium-Ion battery, talk time 16 hours, standby time up to 1000 hours, charging time 3 hours by micro USB. Easy installation.Just attach it to your car's sun visor via its durable and magnetic clip.