Feature: 1. Receive Mode: Audio playback equipment connected with speakers to receive wireless signals and play music wirelessly. 2. Transmit Mode: Connect the audio output device, transmit the wireless signal, and use the paired wireless headset Wireless audio playing music. 3. Latest BT Technology: Comes with the most advanced BT V5.3 for a faster and more stable connection. 4. Superior Audio Decoding: Features SBC audio decoding for delivering high-quality sound. Specification: Features: Receive Mode: Audio playback equipment connected with speakers to receive wireless signals and play music wirelessly. Transmit Mode: Connect the audio output device, transmit the wireless signal, and use the paired wireless headset Wireless audio playing music. Latest BT Technology: Comes with the most advanced BT V5.3 for a faster and more stable connection. Superior Audio Decoding: Features SBC audio decoding for delivering high-quality sound. Multiple Protocol Support: Compatible with HSP, HFP, A2DP, and AVRCP protocols for versatile use. Extended Transmission Range: Provides a transmission range of up to 10 meters for an uninterrupted audio experience. Long-lasting Battery: Equipped with a 250Amh battery for extended usage. Specifications: Model:C79 BT Version:V5.3 Audio decoding:SBC Support protocol:HSP, HFP, A2DP, AVRCP Transmission range:≤10m Input:5V/1A Input Interface:AUX Product Size:85.1mm*46.8mm*15.2mm Material:ABS Product weight:20g Battery Capacity:250Amh Package Size: 9*5*2cm Package Weight: 25g Package List: 1 * BT Transmitter & Receiver Package List: 1 * BT Transmitter & Receiver