<ul><li><p>2 in 1 Bluetooth 5.0 transmitter receiver fiber optic adapter, stereo, plug and play</p></li><li><p>Super high sound quality, no delay</p></li><li><p>Support 120m long distance signal transmisson</p></li><li><p>This Transmitter and receiver also built with optical and 3.5mm interfaces, allowing you to use the adapter not only as a TOSLINK Bluetooth adapter but also as a 3.5 mm BT converter</p></li><li><p>Powered by the latest Bluetooth 5.0, this audio adapter can be paired with 2 bluetooth devices or speakers simultaneously whether in transmitter mode or receiver mode</p></li></ul><p><strong>Specification:</strong></p><ul><li><p>Bluetooth version: V5.0 APT-X, HD, low latency</p></li><li><p>Bluetooth chip: CSR8675</p></li><li><p>Frequency range: 2.402GHz-2.480GHz</p></li><li><p>Battery capacity: 450mAh</p></li><li><p>Receiver mode working time: unlimited time (plug and play)</p></li><li><p>Transmitter mode working time: unlimited time (plug and play)</p></li><li><p>Communication distance: RX: 120m, TX: 120m</p></li><li><p>Bluetooth protocol: A2DP, AVRCP</p></li><li><p>Codec: APTX HD, APTX LOW LATENCY, APTX, SBC</p></li><li><p>Power supply mode: Type-C interface</p></li><li><p>Working temperature: -10℃-55℃</p></li><li><p>Product net weight: 88g</p></li><li><p>Product size: 138mm*100mm*240mm</p></li><li><p>Bluetooth protocol: A2DP, AVRCP (can be connected with Bluetooth speakers or earphones that support A2DP protocol to form a wireless audio transmission network, used in TVs, CDs, home theaters and other devices; can also be connected with mobile phones/computers to play music)</p></li><li><p>Output: optical input, optical output, AUX input, AUX output</p></li><li><p>Charging interface: Type-C PD one with two functions</p></li><li><p>(Transmitter mode): Support (a transmitter is connected to two Bluetooth speakers or headphones at the same time, and a CODEC is used at the same time) multi-point connection, one for two functions</p></li><li><p>(Receiver mode): Support (connect two mobile phones) supported Bluetooth headsets, Bluetooth receivers, Bluetooth speakers and other device keys 0000 (four 0s)</p></li><li><p>CODECTX: aptXTMHD, aptXTMLow Latency, aptXTM, SBC</p></li><li><p>RX: aptXTMHD, aptXTMLow Latency, aptXTM, SBC</p></li></ul><p><strong>Transmit Mode Operation:</strong></p><ul><li><p>After the rako Bluetooth adapter is connected to the power</p></li><li><p>Long press the power button for 3S</p></li><li><p>Press the M button to switch to TX mode, double-click the A/B button of the rako Bluetooth adapter to switch the pairing mode and turn on the headset/speaker Bluetooth pairing mode after successful connection</p></li><li><p>Double-click the A/B button again and then turn on the second headset/speaker to the Bluetooth pairing mode to connect and pair</p></li><li><p>At this time, the TX interface of the rako Bluetooth adapter shows the number of connections as 2, which means that both devices are successfully connected and support synchronous music playback</p></li></ul><p><strong>Receive Mode Operation:</strong></p><ul><li><p>After the rako Bluetooth adapter is connected to the power</p></li><li><p>Long press the power button for 3S</p></li><li><p>At this time, the Bluetooth of the rako Bluetooth adapter is disconnected, and then turn on the Bluetooth of the second mobile phone. Double-click the A/B button of the rako Bluetooth adapter to switch to the pairing state. After the connection is successful, turn off the Bluetooth function of the second mobile phone and turn off the rako Bluetooth Adapter</p></li><li><p>Turn on the Bluetooth function of the first and second mobile phones at the same time (just paired), and then turn on the rako Bluetooth adapter. At this time, the adapter will connect back to automatically pair with the Bluetooth of 2 mobile phones, and the RX interface will display the number of connections as 2 , Which means that the two mobile phones are successfully connected</p></li></ul>