Description: 【Advanced BT 5.4 Technology】: Experience seamless connectivity with the BT 5.4 technology, offering a stable connection range of up to 20 meters in an open space without obstructions 【Double Functionality】: This versatile device functions as both a BT receiver and transmitter, allowing you to connect 2 BT devices simultaneously for shared audio experiences 【Long Battery Life】: Equipped with a 1000mAh battery, enjoy up to 50 hours of continuous playing time on a single charge, with a quick recharge time of approximately 2 hours 【Audio Support】: Supports multiple decoding formats including SBC, AAC, LL, , and more, for high sampling rates and intelligent noise reduction, ensuring premium sound quality. RCA 3.5mm AUX 【Material and Complete Package】: Made from premium PP material with compact dimensions of 7.8cmx7.3cmx1.9cm/3.07inchx2.87inchx0.75inch; Package includes 1 audio transceiver, 1 audio cable, 1 RCA cable, 1 charging cable, and 1 instruction manual for easy setup and use Specification: Material: PP     Size Chart: 7.8cmx7.3cmx1.9cm/3.07inchx2.87inchx0.75inch Package Includes: 1 Audio Transceiver, 1 Audio Cable, 1 RCA Cable, 1 Charging Cable, 1 Instruction Manual