Bluetooth Headset, Wireless Bluetooth 4.0 Headphone with Charging Dock and Hands Free Microphone for iPhone, Samsung and all Android Smartphones Enjoy Clear Conversation: Adopting CSR BC8610, HFP1.6, A2DP1.2 and AVRCP1.4, Bluetooth 4.0, ensure more stable Bluetooth signal intensity and lower power consumption, give the double assurance to the premium audio quality Charge on the Go: The dock is specially designed to mount to the air vent so that you can charge the Bluetooth headset when you are driving. The magnetic charging dock automatically triggers Sleep/Wake modes to make sure never run out of power Safe Driving: The headset automatically wakes, connects, and answers, letting you put your hand back on the wheel and safely enjoy your conversation; Up to 5 hours talk time and about 45 days of standby time Simple Pairing: Just pick up the headphone; it automatically pairs with the closest Bluetooth-enabled device. Put in dock to trigger sleep mode. Pair it with two devices at the same time and show the batter lever on iPhone 100% Satisfaction Guarantee: If for any reason you are not 100% satisfied with this product, please contact customer service within 60 days, and we will immediately refund your purchase price - no questions asked