Description: Auto Connect: The car speaker is equipped with a vibration sensor, when the door is open, it switches to Auto Power and connects with your phone automatically. Automatic switch machine could save efforts and worry during the driving. Upgraded version of Bluetooth chip V5.0+EDR, designed for stable output performance and great sound with . Noise cancellation technology and stereo speaker provide you clear calls and wonderful music even in downtown. 600mAh battery 10 hours continuous talk time and 500 hours standby after a single full Built-in digital power amplifier greatly increases the volume and sound effect. Easy to install and use, just clip this speaker on your sun visor, very simple. One-click to answer the calls, double-click to redial, it free your hands and also ensures driving safety. The speaker can broadcast the income calling number, and to broadcast the voice of mobile GPS and music. Through multi-point connection technology, it can connect 2 mobile phones at the same time, and stay online, a great replacement for your car built-in Bluetooth. Specification: Material: ABS Plastic Size: 85x80x20mm/3.3x3.1x0.8inch Weight: 100g Color: Black Battery Capacity: 600mAh Continous Call Time: 10H Standby Time: 500H Bluetooth Distance: 10m Cable Length: 30cm/12inch Package Includes: 1 x Wireless car speaker 1 x USB cable 1 x Visor clip 1 x Instruction book