1. Support APTX-HD, SBC, ACC Bluetooth format2. Support stereo coaxial analog output3. Support 3.5 headphone jack output4. Support USB decoding5. The wireless distance is 10 to 15 meters (no obstruction)6. CD format sound qualityStereo coaxial output voltage:-2.0~2.2VrmsHeadphone output: 2VrmsHeadphone output impedance: 22 EuroBluetooth receiving distance: -10~15m (no obstruction)Bluetooth format: APTX, APTX-HD, SBC, ACCAudio sampling rate: 48K 16bitbutton: Bluetooth one key play or pauseOperating Voltage: 5VWorking current: -150~250mAType-c USB interface, used for power supply, or when decoding output to USB sound cardButtons and indicator lightsHeadphone output (22R~100R headphones are recommended)Coaxial analog outputUSB sound card mode indicator lightColour:blackMaterial:Tin boxSize:5.7 x 4.7 x 1.5cmPackage Contents:1 * Receiver1 * USB cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.