• Bluetooth 5.3 Transceiver: Transmit audio from your TV, computer, or entertainment system to Bluetooth headphones, car stereo, or home sound system. Also works as a Bluetooth receiver to connect your smartphone to wired speakers or headphones. • Low latency: Reduces audio delay to less than 40 ms using the aptX low latency codec mode. • Qualcomm noise-canceling chip: Incorporates Qualcomm's third-generation ANC function, improving noise cancellation, connection stability, and sound quality. • 115 feet range: Offers a stable Bluetooth connection up to 115 feet in RX mode and 56 feet in TX mode without obstacles. With obstacles, the range is less than 50 feet. • Dual connection: Allows pairing two devices simultaneously in TX mode and connecting two smartphones to a speaker in RX mode. • Fast-charging battery: Built-in 400 mAh battery that charges in 2 hours and offers up to 22 hours of continuous use. • Volume controls: Quickly adjust the volume in RX/TX mode without needing to do so on another device. • Dimensions: 3.9 cm wide, 1.4 cm high, and 5.8 cm long.