Features: Upgrades your audios experience with the bluetooth-compatible 5.4 Adapter, featuring universal 3.5mm compatibility and 20m stable wireless ranges for losslessly transmission across multiple devices. Equipped with double device pairing and low latency technology, this wireless audios adapter seamlessly connect TVs, car stereos, and legacys speakers to modern smartphones. Ideal for audiophiles preserving sound systems and commuters seek wireless car audios upgrades without replacing factory installed receivers. Transform living room into private cinemas by wirelessly linking two bluetooth-compatible headphones to TVs, or enjoy synchronized music playbacks across home speaker systems. Engineered with advanced interferences blocking technology, this 3.5mm bluetooth-compatible transmitter maintains clear audios during crowded city commutes and multidevice environment. Specifications: Component: Plastic Size:Approx.78x73x19mm/3.07x2.87x0.75inch bluetooth-compatible solution: 5.4 Frequency: 2.4GHz-2.48GHz Speed:10Mbps bluetooth-compatible distance: ≤20meters (open and unobstructed) bluetooth-compatible transmitting one to two: connect 2pair of bluetooth-compatible headphones/bluetooth-compatible audios Battery capacity: 1000mah Supports AAC/LL/AD multiple decoding, high sampling rate, intelligent noise reductions Package Includes: 1pc audios Adapter note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.