BR10 Car Bluetooth 5.0 Adapter 3.5mm Aux Audio Music Wireless Receiver Hands-free Call Adapter Bluetooth V5.0 technology,stable and fast connection Automatically reconnect to the paired Bluetooth device when powered on Five minutes without device connection,automatic shutdown Built-in 250mAh rechargeable battery,environmental protection and energy saving Full music playback time is about 12 hours Support Bluetooth stereo music DSP technology Voice broadcast caller number Double-tap the phone key to wake up the phone SIRI The Bluetooth playback distance is within 10 meters (barrier-free) Bluetooth call with DSP noise reduction Two mobile phones can be connected at the same time Specification: Bluetooth version: 5.0 Battery capacity: 250mAh Transmission distance: barrier-free 10 meters Package included: 1 x Car Bluetooth Adapter 1 x Charging Cable 1 x Audio Cable 1 x 3.5mm Plug 1 x English and Chinese User Manual