Bluetooth 5.1 Receiver Digital to Analog Audio Converter Coaxial Optical Fiber 3.5mm Aux Wireless Adapter Support USB Disk Description: 1. This adapter with Bluetooth 5.1 version, stable signal no delay, and the transmission distance is 20 meters without obstacles. An external antenna, enhance the signal reception distance. 2. Bluetooth receiver adapter, connect to the older speaker/amplifier, make the wired devices into Bluetooth items, play music anytime. 3. Digital to Analog audio converter, with 3.5mm aux coaxial optical fiber input, and RL/3.5mm output, compatible with TV/PC/Projector/Power amplifier/TV Box. 4. Support U disk Play; Support Bass mode and volume control. 5. Support WAV/FLAC/MP3/APE/MAV music format. Specifications: Product name: Bluetooth Receiver & DAC Audio Converter Bluetooth version: 5.1 Material: Aluminum Alloy Mode: Coaxial/Optical Fiber/U Disk/Bluetooth Power input: 5V Colour: Black Package Included: 1 x DAC Bluetooth Audio Receiver Converter 1 x Coaxial Cable 1 x 3.5MM Audio Cable 1 x Type-C Charging Cable 1 x User manual 1 x IR Remote Control Note: 1. Manual measurement of the size may have a certain error (within +- 1cm), the actual size shall prevail in kind. 2. Due to different light and shooting conditions, the picture color may differ from the actual product. Please refer to the actual product. This adapter with Bluetooth 5.1 version, stable signal no delay, and the transmission distance is 20 meters without obstacles. An external antenna, enhance the signal reception distance. Bluetooth receiver adapter, connect to the older speaker/amplifier, make the wired devices into Bluetooth items, play music anytime. Digital to Analog audio converter, with 3.5mm aux coaxial optical fiber input, and RL/3.5mm output, compatible with TV/PC/Projector/Power amplifier/TV Box. Support U disk Play; Support Bass mode and volume control. Support WAV/FLAC/MP3/APE/MAV music format.