<p>Bluetooth-Compatible 5.4 Wireless LE Audio Auracast Transmitter Receiver Adapter Support one to multi point For Headphones TV Car mp3. The Nsendato of Bluetooth-Compatible audio adapter adopts the new generation of Bluetooth audio technology standard LE Audio, taking full advantage of the technical advantages of low-power Bluetooth wireless communication； Nsendato of audio adapter uses the new high-quality, low-power audio decoder LC3, which is more efficient, lower power consumption, and shorter delay time； Nsendato of Bluetooth-Compatible audio transmitter and receiver utilize broadcast audio technology, allowing you to share audio and connect with others. After conducting numerous tests, we have found that our audio adapter can link more than 50 receivers with just one transmitter； Automatic connection upon startup, with support for volume increase and decrease at both the transmitter and receiver ends. The transmitter can also support audio input of AUX or USB C, accompanied by LED lights. Bluetooth-Compatible V5.4, ultra-low power consumption The transmitter and receiver have built-in batteries, which can be used for 12 hours and fully meet your various occasions.</p><p>Specification: Bluetooth-Compatible version: V5.4, Working frequency band: 2402GHz - 2480GHz, Power level: Power level 2 (Class I1), Sound delay: <20ms, Power supply mode: built-in battery, 250mAh, Charging interface: USB DC 5V type-C charging interface, Applicable distance: >15M (no obstruction), Working current: <20mA, Working hours: »10H, Audio input method: 3.5MM audio interface/USB type-C interface.</p><p>Note: Applicable equipment: Equipment with 3.5MM audio output and USB audio output functions, (Such as: TV PC, MP3, CD and other equipment). Receiver applicable equipment: Speakers and other audio equipment with AL JX input interface.</p>