HAVIT HV-H918BT Pro Wireless Bluetooth 4.1 Headset Earbuds with In-car Charging Dock [Easy Your Call] Just pick up to automatically connect and answer a call. Put in dock to trigger sleep mode. [Hands Free & Enjoy Clear Conversations on Both Ends of the Call] Built in latest CSR8610 chip, improve the call quality, safely and clearly enjoy your conversation, Bluetooth connect up to 8-10m (without obstacles). [Integrated Multi-point Technology] Let you connect two devices at the same time. [Charge on the Go] Support In-car dock Charging and USB charging at home or office. The magnetic charging dock automatically triggers Sleep/Wake modes to make the most of the battery's about 5 hours continuous talk & play time [Simple Pairing] Compatible with all Enabled Bluetooth Phones, Automatically pairs with the closest Bluetooth-enabled device. Simply turn on the Bluetooth feature on your cell phones, then select the device and you're connected!