["brand new and high quality\nFeatures:\n◆ The appearance of the product is exquisite;\n◆ Adopt CSR8675 high-end chip design;\n◆RX and TX can be switched with power;\n◆ SPDIF, I2S input/output interface, can be switched freely\n◆With Bypass transfer function, with NFC;\n◆With two antennas, Bluetooth-compatible operating distance>80M, strong stability;\n◆High-fidelity lossless sound quality, CD-level sound quality Ultra-low delay sound output, new ANC noise reduction and for echo cancellation technology. Support apt-X high-definition lossless decoding, and apt-X LL, apt-X, SBC. ◆Built-in 1000MA battery, long battery life. \n◆There will be a low battery reminder if the battery is below 20%. The product will automatically enter the sleep power saving mode after 6 minutes in the RX and TX mode without connection, and it has its own battery for protection IC, which is safe and reliable while charging. \n◆Support dual current Support Dual stream (TX mode) transmission can be connected to two Bluetooth-compatible devices ◆Receiving (RX) can be connected to two devices at the same for time, any two of the mobile phones tablet notebook device, the music can be paused and played by the button during playback\n◆Automatically connect back in receiving mode and transmitting mode, and have memory function for connected products\n◆ The product connection is simple, without any cumbersome driving and downloading APP;\n\nSpecifications:\nProduct name: 3-in-1 Bluetooth-compatible transmitter receiver\nInput/output interface: 3.5mm AUX interface, optical interface\nBluetooth-compatible protocol: AVRCP, A2DP\nBluetooth-compatible chip: CSR8670\nBluetooth-compatible version: Bluetooth-compatible V5.0\nSignal to noise ratio: >90dB\nBattery capacity: 3.7V/300mAh\nTransmission distance: 10 meters\nFrequency range: 2.402GHz- 2.480GHz\nWorking time: about 26 hours\nVoice frequency performance: APTX\nCharging method: Micro USB 5V/0.5A\nCharging current: 200-300mA\nMaterial: ABS\nSize: app.12.8x8x2.5cm/5.04x3.15x0.98in\nColor: Black + Gray\nQuantity: 1pc\n\nNote:\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n3 in 1 Bluetooth-compatible adapter x1\nLotus line x1\nOptical fiber x1\nUSB charging cable x1\n3.5mm cable x1\n3 in 1 Bluetooth-compatible adapter x1\nManual x1"]