Bluetooth 5.0 Wireless Audio Receiver Transmitter Car Hands-Free Calls 3.5mm Bluetooth Adapter Description: Bluetooth 5.0 upgraded adapter, transmit/receive two in one, mode switching at will, wireless more convenient. This Bluetooth adapter can be connected to non-Bluetooth audio systems, home stereos, speakers, wired headphones, etc., with a wide range of applications. Equipped with Bluetooth 5.0 chip, stable connection, fast transmission speed, wide signal range. The signal is stable, high-speed output, fast response, rejection delay and interference. Install a Bluetooth adapter for your car, turn your car stereo into a Bluetooth audio in seconds, enjoy mobile music, hands-free calls, voice navigation and broadcasts, and drive more safely. The built-in high-performance independent headphone also enhances audio performance, but also has fine and good sound quality, truly restoring the beauty of music and enjoying a more shocking auditory feast. 250mAh high-capacity lithium battery, full of energy, 10 hours of continuous playback, supports simultaneous charging and use when plugged in. Exquisite appearance, small and convenient, elegant lamp, unique design, color and sound, creating a warm atmosphere around you. Specification: Product Model: BR01 Battery Capacity: 250mAh Playback Length: 10h Signal-to-noise ratio: 90dB Frequency: 2.4GHz Transmission Distance: 10m/393.7inch Charging Voltage: DC 5V Music Level: HIFI HD Stereo Standby Time: 100 days Net Weight: 17g/0.04Ib Gross Weight: 55g/0.12Ib Product Size: 5.6x3.1x1.2cm/2.2x1.2x0.4 inches Package Size: 8x8x2cm/3.15x3.15x0.79 inches Package Includes: 1 x Bluetooth Adapter 1 x Charging Cable 1 x Audio Cable 1 x Coherer 1 x Instructions