New NFC Bluetooth Receiver Transmitter 5.0 Bluetooth Audio Adapter Supports Six Signal Interfaces: Digital Optical Fiber, Coaxial, Aux, RCA, U Disk And TF-card Specification: Product model: M8 Material: ABS Product color: Black Product size:8.6x6.5x2.2cm/3.38x2.56x0.87in Packing size:12x12x3.5cm/4.72x4.72x1.38in Net weight:75g/0.17Ib Gross weight: 145g/0.36lb Battery capacity:500mAh Bluetooth version: V5.0 NFC function: Support Sensitivity: - 85dBm < 0.1% BER Signal to noise-ratio 90dB Distortion 0.1% Interface type Input: 3.5mm AUX + RCA + Optical + Coaxial + USB + TF interface Output: 3.5mm AUX + RCA Working current40mA Working voltage: 3.7V Endurance: R-X about 10h, TX about 8h Bluetooth distance 10m-15m Charging interface: type-C 5V / 0.5A Compatible devices: Android, IOS mobile phones and pads, active speakers, power amplifiers and Bluetooth speakers or earphones supporting A2DP / protocol. Description: NFC HD digital display Bluetooth adapterWired to wireless instantly, Bluetooth reception / Bluetooth transmission / NFC touc-h / HD digital display / infrared remote control, 3.5mm + RCA + optical fiber + coaxial + U disk + TF-card six interfaces, new upgrade shock experience High definition digital display with clear statusInnovative LED soft light digital display screen, clear working status and Bluetooth mode to avoid blind operation, cool breathing lamp, red / Blue dual color, soft and not dazzling. Upgrade NFC one touc-h connectionBuilt-in Bluetooth sensing chip, mobile phone near second connection support mobile phone tablet with NFC function, avoid cumbersome manual connection High appearance at first sightDelicate and compact body, fire-proof PC material + baking paint process,red / blue breathing lamp more delicate, Non slip silicone pad, fixed and hard to slide TV, computer, speaker upgrade BluetoothConnect Bluetooth headset, stereo, TV and computer, solve the problem that TV can't connect Bluetooth headset, upgrade Bluetooth every second, watch blockbusters and CHAS-E dramas at night, and no longer worry about disturbing family rest No need to download any driver and appSupport U-disk / TF-card playback compatible with all brands 64G U-disk or TF-card, plug and play stereo sound quality, and the screen displays the song playback duration. Strong performance without delayBluetooth 5.0 upgraded adapter, transmit / receive two in one, mode switching at will,built-in multiple protection circuit, stable Bluetooth signal transmission, more COMPATIBILIT-Y with other Bluetooth versions Voice reminder memory back connectionMemory of device / signal source / song / volume and other states before power off, voice broadcast of current usage status, and automatic back connection after power on. Package Includes: 1 x Bluetooth adapter 1 x Charging line 1 x AUX Audio cable 1 x RCA Transfer line 1 x Instructions