Feature: 1. Excellent Chip: Equipped with bluetooth 5.0 chip, the new wireless music receiver has unparalleled performance, improved transmission speed, stronger connection stability, and larger signal range. 2. Two Modes: Transmitter mode and receiver mode can transmit stereo audio from non bluetooth audio sources (TV, MP3, CD player, PC or book reader) to headphones, speakers or other receivers. 3. Stable Performance: Using bluetooth, you can also make your devices that are not bluetooth (earphones, speakers) receive audio from bluetooth audio sources (mobile phones, etc.). 4. USB Power Supply: The bluetooth transmitter needs USB power supply and can be directly connected to the USB port of the car. 5. Applicable Equipment: The car USB bluetooth 2.0 receiver adapter is suitable for all kinds of speakers, cars, radios, power amplifiers. Specification: Item Type: Bluetooth Receiver Material: ABS Bluetooth Version: V5.0 Bluetooth Distance: 10m/32.8ft Frequency Modulation Distance: <8m26.2ft Power Supply Mode: USB Power Supply Radio Frequency Point: 87.5MHz, 88.0MHz, 88.8MHz Compatible: All Kinds of Speakers, Cars, Radios, Power Amplifiers. Package List: 1 x Bluetooth Receiver1 x Aux Cable1 x Manual