Advanced Connectivity: Equipped with the latest Bluetooth 5.4 technology for seamless audio transmission. Versatile Interface: Features multiple interfaces including AUX, 3.5mm jack, Lotus Socket, and digital outputs like optical and coaxial for wide compatibility. Dual Mode Functionality: Easily switch between transmitter and receiver modes to suit your audio needs. Remote Control: Enhance your experience with the included remote control, allowing you to adjust settings from a distance. Perfect for Any Setup: Ideal for upgrading your TV or car audio system, providing high-quality wireless audio streaming. Bluetooth Version: Bluetooth V5.4 Supported Protocols: RX: A2DP AVRC TX: A2DP Operating Frequency Band: 2.402GHz - 2.480GHz Power Class: Class II Sensitivity: -85dBm Less than 0.1% BER Signal-to-Noise Ratio: ≥90dB Distortion: ≤0.1% Interface Type: Input: 3.5mm AUX + + Optical + Coaxial + USB + TF Card Output: 3.5mm AUX + Optical Parameters: Supports optical input, 16M, 96kHz sampling rate Supported Formats: MP3/WAV/WMA/APE/FLAC/G729/M4A/ALAC//DTS/MIDI/G726/MTY Screen Size: 32x14.5x7mm Operating Current: Less than 40mA Built-in Battery: 3.7V/500mAh 1.85Wh Charging Current: Approximately 500mA Charging Time: Approximately 1.5 hours Battery Life: RX approximately 10 hours, TX approximately 8 hours Bluetooth Range: ≤10m-15m (open space) Charging Method: Type-C 5V, 0.5A Color: Black Material: ABS Package Contents: 1 x Bluetooth adapter 1 x Type-C charging cable 1 x 3.5mm AUX audio cable 1 x Red and white Lotus Socket Cable 1 x Remote control Only 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.