Features:1. Bi-directional Connector: This audio receiver uses a 3.5mm two-way metal audio connector, which is detachable, compact, and easy to carry.2. Receiving Technology: This audio receiver adopts lossless, high-resolution reception technology, making wireless devices as clear and faithful as a face-to-face conversation.3. Light Indicator: This audio receiver has red and blue bright light LED colors. In different situations, the color of the light and the way of flashing are different, which is convenient to use.4. Wide Application: This wireless receiver is suitable for home audio, speakers, car stereos, headphones and other devices.5. Auxiliary Equipment: This audio receiver supports V5.0 wireless version, supports A2DP stereo, and also supports wireless hands-free function. Description:This audio receiver supports sleep settings, which can save power and power to a certain extent. This wireless receiver is suitable for home audio, speakers, car stereos, headphones and other devices. Specifications:Material: ABS Size: 52*21mm Connector: 35mm Battery: 50mA Lithium Battery (Included)Wireless Version: 5.0Long Transmission Range: 10MCuction: Within 24GHz BandPower Supply: USB Charging Package Included:1pc * Wireless Receiver1pc * 3.5mm Audio Connector1pc * USB Cable1pc * Manual Notes:1. Please allow 0-1 inch error due to manual measurement. Thank you for your understanding.2. Prompt