This Bluetooth receiver is equipped with high-performance Bluetooth 5.0, the signal transmission is stable, the response is fast, and it refuses to delay or freeze. LCD display, display song name, pairing name, power. Comes with a TF card slot, which can play music from the TF card slot. Can be used as a card reader. Connect to a computer/TV to transmit audio to a Bluetooth headset or stereo. Support Bluetooth/TF card two playback modes. Built-in microphone, answer/reject/hang up/redial calls with one key. Receive Mode: After connecting to Bluetooth, control music playback, pause/previous/next song through wireless transmission. Transmitting Mode: Insert TF card, automatically identify and play audio files, no need to carry mobile phone. It is suitable for multiple scenarios such as car, home audio and video, earphones, sports, etc. Battery Capacity: 280mAh Input Parameters: 5V/150ma Bluetooth Version: V5.1 Working Distance: 10 meters Charging Time: 1 hour Charging Interface: Micro USB Battery Life: 6 hours Microphone Effective Distance: 0-1.0M Color: White Weight: 100g Size: 70 x 30 x 15mm Package List: 1 x Car Bluetooth Adapter