Description:The audio receiver module has reversed high and low power frequency control interface, which is suitable for daily use or professional modification.Adopting Bluetooth-compatible5.0 chip, the audio receiver module features stable and quick transmission.Made of plastic material and metal, the audio receiver module is eco-friendly and durable to use.The length of the audio receiver module is 3cm and width is 3cm.The audio receiver module is suitable for speaker, headphone, car and so on.Item Name: Audio Receiver BoardMaterial: Plastic, MetalColor: Black, White Bluetooth-compatible Version: 5.0 Power Supply: 3.7-5.5V THD+N: -70DB-70dB Signal to Noise Ratio: 90dB Transmission Distance: 15m(Barrier-free) Support Profiles: A2DP/AVCTP/AVDTP/AVRCP/HFP Features: Sensitive, Stable Transmission, LosslessSize Details: 3cm x 3cm/1.18" x 1.18" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurementMicrophone is not included.Battery power supply is not supported.Package Includes:1 x Audio Receiver Board(Others Not Included)