<ul><li><p>Exquisite&nbsp;appearance</p></li><li><p>Adopt CSR high-end chip design</p></li><li><p>One-key switch between RX and TX modes</p></li><li><p>RCA, I2S audio input/output interface, can be switched freely</p></li><li><p>Two antennas, Bluetooth operating distance&gt;80M, strong stability</p></li><li><p>High fidelity and lossless sound quality, ultra-low delay sound output. Support apt-X LL, apt-X, SBC, AAC, FS</p></li><li><p>Built-in 500mAh battery, long battery life</p></li><li><p>Low battery reminder</p></li><li><p>Automatically enter the sleep power saving mode after 6 minutes in the RX and TX mode without connection</p></li><li><p>Support dual stream (TX mode), transmission can connect two Bluetooth audio devices</p></li><li><p>Receive (RX) can connect two devices at the same time</p></li><li><p>Automatically connect back in receiving mode and transmitting mode, and have memory function for connected products</p></li><li><p>Simple connection without any driver and downloading APP</p></li><li><p><span><strong>Note on using APTX: when single connection is the first to support apt-X LL CODEC (the connected device must also support apt-X LL).</strong></span><br/></p></li></ul><p><strong>Specification:</strong></p><ul><li><p>Bluetooth version: Bluetooth V5.0</p></li><li><p>Support protocol: RX: A2DP AVRCP, TX: A2DP</p></li><li><p>Working frequency: 2.402GHz -2.480GHz</p></li><li><p>Power level: Class I II</p></li><li><p>Distortion: ≤0.1%</p></li><li><p>Support Dual stream (TX mode): Support (a transmitter is connected to two Bluetooth speakers or headphones at the same time using a CODEC, up to APTX LL)</p></li><li><p>Support Multipoint (RX mode): Support (connect two mobile phones)</p></li><li><p>Codec:&nbsp;</p></li><li><p>TX: apt-X LL, apt-X, SBC, FS</p></li><li><p>RX: apt-X LL, apt-X, SBC, AAC, FS</p></li><li><p>Built-in battery: 500mAh</p></li><li><p>Charging current: about 350mA</p></li><li><p>Charging time: about 2.5 hours</p></li><li><p>Endurance time RX is greater than 10H, TX averages about 8H</p></li><li><p>Bluetooth distance:﹥80M (straight line without obstruction)</p></li><li><p>Charging method: Micro USB 5V/0.5A</p></li><li><p>Input/output connection mode: RCA interface, I2S AUX interface, support RCA, AUX dual simultaneous output</p></li><li><p>Compatible with: Android, iOS system mobile phones and PAD, and Bluetooth speakers or earphones that support A2DP protocol to connect and use</p></li></ul>