Product Name: Bluetooth Audio Receiver Version: Upgraded version Function: Bluetooth receive U disk TF card play FM Bluetooth name: SHAIBANG Bluetooth version: V5.0 Distance: within 15m (depending on the environment) Power supply: 5V TYPE-C Decode: WAV MP3 Radio Frequency: 87.5Mz-108Mhz Output: 3.5mm AUX audio standard interface Transmission : HIFI level AAC Bluetooth protocol: AVRCP A2DP HFP Signal-to-noise : 94DB harmonic distortion: Less than 0.1% Bluetooth frequency: controllable for /Android Signal power: class2 Product size: 53 x 40 x 25mm (excluding antenna part) color:White :PCB+Metal Package Contents: 1 x Bluetooth audio receiver(with acrylic shell) 1 x Antenna 1 x remote control 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.