NFC Bluetooth Audio Adapter with Optical Fiber, Bluetooth 5.1 for Audio Streaming

Designed with Bluetooth 5.1 chip for better compatibility and stability.Bluetooth receive (RX), Bluetooth transmit (TX) two in one.Equipped with HD LED digital display, working status and Bluetooth mode are clearly visible.Built-in DSP decoder chip, heavy bass effect, support three gain adjustable.Upgrade NFC function, cell phone induction a touch connected.Bluetooth version: Bluetooth V5.1Support protocol: A2DP/AVRCP/HFP/SBCWorking frequency band: 2.402GHz -2.480GHzPower level: Power level 2 (Class II)Sensitivity: -85dBmLess than 0.1%BERSignal-to-noise ratio: ≥90dBDistortion: ≤0.1%Interface Type:Input: 3.5mm AUX+RCA+USB+TF card+6.5mm microphone+digital optical fiber+digital coaxialOutput: 3.5mm AUX+RCASupported formats: MP3/WAV/WMA/APE/FLAC/G729/M4A/ALAC/AMR/DTS/MIDI/G726/MTYBuilt-in battery: 3.7V/1200mAhCharging current: about 1000mA (MAX)Charging time: about 1.5 hoursBattery life: RX about 8H, TX about 8HBluetooth distance: ≤30M (open place)Charging method: Type-C 5V/1ACompatible equipment: mobile phones and tablet computers, active speakers, power amplifiers, desktop computers, mixers, TVs, karaoke machines, etc.Product size: 98 x 67 x 24.2mmcolor: BlackMaterial: ABSPackage Contents:1 x Adapter1 x Infrared Remote Control1 x Charging Cable1 x Red And White Lotus Cable1 x Aux Audio Cable1 x English ManualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.