["brand new and high quality\nFeatures:\n（TX transmission mode）This product is in transmit mode and can be used with a TV to wirelessly forward the sound to a Bluetooth-compatible device (Bluetooth-compatible headset) or Bluetooth-compatible speaker.\n (RX receiving mode) In the receiving mode, this product can transfer Bluetooth-compatible music on mobile phones, computers, and PADs to equipment with AUX/SPDIF input interfaces through the Bluetooth-compatible receiving function of this product.\n（Support function）Support voice frequency high definition decoding technology, support optical interface and 3.5mm AUX interface transmission, provide high-fidelity stereo sound quality.\n（Enjoy car Bluetooth-compatible music）Insert TR68 into the car's AUX interface, and after successful debugging, you can enjoy the car's Bluetooth-compatible hands-free calls and listening to music, and add color to travel.\n\nSpecifications:\nBluetooth-compatible protocol support: RX: A2DP AVRCP HFP TX: A2DP\nTransmission distance: ﹥10M (open place)\nBattery standard: 300MA\nWorking hours: RX about 12H TX about 10H\nCharging time: about 2H\nCharging voltage: for DC 5V\nInput/output connection mode: SPDIF, 3.5MM stereo interface\nCODEC: TX: aptX Low Latency, aptX, SBC\nRX: aptX Low Latency, aptX, SBC, ACC\nMaterial: ABS\nSize: app.12.5*10.5*4.5 for cm/5x4.2x2.25in\nColor: Black \nQuantity: 1pc\n\n Packing list：\nOptical fiber Bluetooth-compatible transceiver x1 \nProduct manual x1Optical fiber x1\n USB charging cable x1\n 3.5MM cable x1\n RCA cable x1"]