Welcome to the store! About this item: 1. Audio Receiver: Featuring a Bluetooth-compatible 5.2 chip, this receiver offers a stable transmission signal with a 15M range. It supports aptX-HD audio codec for low latency and high-definition sound quality. 2. Output Options: Enjoy versatile connectivity with support for 3.5mm Aux audio output, Toslink, and coaxial output, allowing you to connect various devices to play music. (Note: Only one audio port output is supported at a time, not three simultaneously). 3. Long Battery Life: With a built-in 500mAh battery, this device can operate continuously for 10 hours after a 2-3 hour charge. 4. Applicable Occasions: Perfect for connecting to older audio systems or wired speakers to stream music from mobile phones/tablets. It can also be used with car radios for enhanced audio. Specification: Chip: QCC3031 Bluetooth-compatible Version: 5.2 Input Power: DC5V Transmission Distance: 15M Power Supply Mode: Type-c port Battery Capacity: 500Mah Operating Time: 10 hours Product Function: Bluetooth-compatible reception/coaxial/AUX audio output/optical fiber Product Size: Approximately 73x70x20mm/2.87x2.75x0.78inches Main Unit Weight: 60g Color: As shown Material: Aluminum alloy Package Contents: 1 * Audio adapter 1 * Antenna 1 * Charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our highest priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!