Avantree AUTO Power ON Hands Free Bluetooth Visor Car Kit with Motion Sensor, Support GPS, Music, Wireless Handsfree in Car Speakerphone, Compatible with iPhone, Samsung Smartphones AUTO POWER ON & RECONNECT The Avantree Visors built-in motion sensor automatically turns on the car kit when you open your car door and enables the device to reconnect with your phone. (NOTE: If you park very close to your home, your phone and speakerphone may stay connected even when you are at home. In this scenario, either manually turn off the car kit before leaving the car, or turn off your phones Bluetooth function). EXTENDED TALK TIME The rechargeable lithium-ion battery gives you a up to 22 hours of talk time and up to an incredible 600 hours on standby making this a must have for long road trips! MULTI-POINT HANDSFREE Combining convenience with safety, this Bluetooth hands-free car kit enables you to connect with 2 mobile phones simultaneously. HIGH-QUALITY AUDIO Enjoy crystal clear conversations, both inbound and out, thanks to the echo and background noise reduction feature. (NOTE  Not recommended for use in trucks.) 24-MONTH WARRANTY & ONGOING SUPPORT Make this purchase with full confidence with Avantrees 24-month warranty. Questions? Send us an email (support@avantree.com) and get a response within 1 working day Compatible with all Bluetooth enabled phones (Apple and Andriod) Place phone in holder for better sound quality Ideal for telephonic conversations Not compatible with GPS navigators Not compatible with smart watches Not recommended for use in trucks (due to cab dimensions and noise) Not recommended for music, ideal for conversation and the sound quality can&#039;t be compare with your car stereo Bluetooth compliance: Bluetooth V4.0 Operation range: Class 2, 10 meters Support profiles: HSP, HFP and A2DP Profiles Talk time: Up to 22hours Standby time: Up to 600 hours Battery charging time: About 3 hours Charger voltage: DC5.0V, 500mAh Battery: Lithium-ion Battery Size: 123*46*20mm Weight: 73g Avantree 10BS Bluetooth car kit USB car charger Micro USB charging cable User manual Sun visor clip Rechargeable lithium battery