1、The Bluetooth‑enabled audio receiver can connect non‑Bluetooth speakers to smart phones, tablets or PCs, supports Bluetooth low energy 0 version and APTX technology, and can provide CD‑quality music through speakers or headphones. Support analog stereo L/R for RCA, S/PDIF TOLIN and coaxial output. 2、Super good sound quality, digital wireless music receiver, Bluetooth 0BLE low power consumption. 3、NFC fast connection supports automatic reconnection, low latency fast streaming. 4、The APTX advanced audio code enables Bluetooth to have CD sound quality, can be used with various devices such as tablets, computers, mobile phones, TVs, etc. 5、DAC technology, using PCM5102APWR core sound no sand, no boredom, not for low quality audio processing. 6、Analog output, stereo left/right for RCA digital, SPDIF output, for TOSLINK optical and coaxial. 1 x Host1 x Optical cable1 x Usage instruction1 x For RCA cable1 x USB power supply cable1 x 3.5 to for RCA audio cable Condition: 100% brand newItem type: NFC Bluetooth 5.0 ReceiverMaterial: ABSColor: blackWeight: Approx. 173g Product model: XU22Frequency response range: 10Hz-20kHzInterface: stereo analog digital optical/coaxialSignal-to-noise ratio: >110dBOutput impedance: 75 ohmDistortion + noise: < 0.02%Decoding chip: TI PCM5102ABluetooth version: 5.0Effective distance: about 15 metersPerformance: HIFl levelBluetooth name: XU22Support: APTX/A2DP/AVRCPSMPTE standard: 425M Level A&B, 424M, 292M, 259 M-CSDI transmission rate: 270Mb/s (standard definition), 1.485Gb/s (high definition), 2.97Gb/s (3G)Input/output resolution: standard definition: 480i@60, 576i@50 high definition: 720p@50/60, 1080i@50/60 3G: 1080p@24/25/ 29.97/30/50/ 59.94/60SDI output resolution: depends on input resolutionAudio sampling rate: 48KHZInput port: 1 x BNC standard definition / high definition / 3G-SDI)Output port: 2/4x BNC (standard definition / high definition / 3G-SDI)SDI transmission cable: input up to 100 meters, output up to 80 metersInput voltage: DC5V-12VMaximum power consumption: 1.5WHuman body model electrostatic discharge protection: ±8kV (air space discharge), ±4kV (contact discharge)Working temperature: -10~+55℃Storage temperature: -20~+60℃Working humidity: 10~90%RH (no condensation)Storage humidity: 5~95%RH (no condensation)