brand new and high qualityOOTDTYFeatures:TX transmiion modeThis product is in transmit and can be used with a to wirelely forward the sound to a Bluetooth-compatible device (Bluetooth-compatible headset) or Bluetooth-compatible speaker.(RX receiving mode) In the receiving , 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.Support functionSupport voice frequency high decoding technology, support optical and 3.5mm AUX transmiion, provide high-fidelity stereo sound quality.Enjoy car Bluetooth-compatible musicInsert TR68 into the car's AUX , and after succeful debugging, you can enjoy the car's Bluetooth-compatible hands-free calls and listening to music, and add color to travel.Specifications:Bluetooth-compatible support: : A2DP AVRCP HFP : A2DPTransmiion distance: 10M (open place)Battery standard: 300MAWorking hours: about 12H about 10HCharging time: about 2HCharging : for Dc 5VInput/output connection : SPDIF, 3.5MM stereoCODEC: : aptX Low Latency, aptX, SBC: aptX Low Latency, aptX, SBC, ACCMaterial: ABSSize: app.12.5*10.5*4.5 for cm/5x4.2x2.25inColor: BlackQuantity: 1pcPacking listOptical fiber Bluetooth-compatible transceiver x1Product manual x1Optical fiber x1USB charging cable x13.5MM cable x1RCA cable x1