Description: This Bluetooth receiver transmitter can achieve audio wireless transmission, can also achieve high-definition audio lossless, no delay, no compression transmission, it can solve the traditional device audio signal transmission problems, to solve the trouble caused by the home multi-line equipment connection. Features: Bluetooth receiver function: Upgrade ordinary earphones /s peakers / cars to Bluetooth devices and receive Bluetooth audio signals to achieve wireless Bluetooth audio playback. Bluetooth transmitter function: Upgrade TV / computer / network player / set-top box upgrade to Bluetooth, Bluetooth audio signal will be transmitted to Bluetooth headset / Bluetooth speaker, so that TV / computer can also wireless Bluetooth audio playback, improve audio quality. Wireless transmission, no wiring: No longer tied to the traditional audio cable connection trouble, no longer affect the mood for temporary towing. Plug and Play: Pure hardware design, plug and play, no software installation required. High-definition sound transmission: Perfectly supports 5.1-7.1 audio output, allowing users to enjoy the convenience while also enjoying the shock of hearing. Strong compatibility: Suitable for all 3.5mm audio source devices. Small and exquisite appearance: ABS advanced plastic shell material, rubber paint surface, feel comfortable and delicate. Specifications: Colors: Black, white. (Optional) Bluetooth version: Versuib: 4.2+EDR Distance: 15m Power supply: 3.7V Built-in lithium battery: 300mA Material: ABS Audio System: 2.0 Dual Channel Package: - Specifications: Approx. 10 * 10 * 10cm / 3.9 * 3.9 * 3.6in - Weight: 100g Packing List: 1 * Bluetooth Receiver 1 * Audio Cable 1 * USB Data Cable 1 * Power Cord 1 * User Manual 1、Bluetooth receiver function: Upgrade ordinary earphones / speakers / cars to Bluetooth devices and receive Bluetooth audio signals to achieve wireless Bluetooth audio playback. 2、Bluetooth transmitter function: upgrade TV / computer/network player / set-top box upgrade to Bluetooth, Bluetooth audio signal will be transmitted to Bluetooth headset/Bluetooth speaker, so that TV / computer can also wireless Bluetooth audio playback, 3、Wireless transmission, no wiring: no longer tied to the traditional audio cable connection trouble, no longer affect the mood for temporary towing. 4、Plug and Play: Pure hardware design, plug and play, no software installation required. 5、High-definition sound transmission: Perfectly supports 5.1-7.1 audio output, allowing users to enjoy the convenience while also enjoying the shock of hearing.