|  |  | Features Hands free solution can pair to 2 phones simultaneously Enables you to have hands free call while driving Easy installation. Just attach it to your cars sun visor via its durable and magnetic clip Available for answering and receiving all calls with any bluetooth smartphone, iphone, android, blackberry, etc. Designed with rechargeable lithium-ion battery, recharges your device via usb port Specs: Bluetooth specification: V4.1 + EDR, class 2 Bluetooth Distance: 10M Support profile: HSP. HFP 1.5 Operating frequency band: 2.4GHz - 2.48GHz Rechargeable Battery: 3.7VDC, 650mAh Normal charge time: up to 3 hours (approx) Talk time: Up to 16 hours Standby time: up to 1000 hours |