• Fast & Stable Connection: Built-in Bluetooth-compatible 5.1+DSP dual upgraded chip, fast response, more stable and faster connection. Bluetooth-compatible signal transmission distance is about 30 meters, allowing you to connect to Bluetooth-compatible without restrictions
• NFC Function: The top has a built-in NFC pairing chip. Once the phone is close to the sensing area, it will automatically connect to Bluetooth. Supports various mobile phones and tablets, eliminating the trouble of manual connection
• Knob & Color Light: Aluminum alloy knobs and lights are designed. The volume can be easily adjusted by the knob, and the light will change with the volume
• Long Working Time: Built-in 1200mAh rechargeable lithium battery, after fully charged, it can support continuous listening to songs for about 8 hours, and standby for up to 30 days
• Music playback: Supports U disk/TF card playback and transmission, supports MP3/WMA/SBC/WAV/DTS/A52/FLAC/AAC/AIF/AMR/APE formats
• Infrared Remote Control: It comes with an infrared remote control, supports 5~8 meters connection, can operate mode/signal, adjust volume, switch songs, mix, microphone and other operations on it
• Built-in Microphone: Built-in 6.5mm HD microphone, anti-howling design, supports microphone access for singing
• Wide Compatibility: Suitable for various audio devices, such as old speakers, computers, HDTVs, etc
• Easy to Use: No need to download drivers or apps, it is plug-and-play, and no tedious steps are required

Specification:

• Bluetooth-compatible version: V5.1
• Supported protocols: A2DP/AVRCP/HSP/OPP/GATT/SM
• Working frequency band: 2.402GHz -2.480GHz
• Power level: Class II
• Sensitivity: -85dBm<0.1%BER
• Signal-to-noise ratio: ≥90dB
• Distortion: ≤0.1%
• Fiber sampling rate: 192KHZ/25MBPS
• Input port: 3.5mm AUX+RCA+USB+TF interface+6.5 MIC + Coaxial
• Output port: 3.5mm AUX+RCA
• Supported formats: MP3/WAV/WMA/APE/FLAC/G729/M4A/ALAC/AMR/DTS/MIDI/G726/MTY
• Screen size: 36*8mm
• Working current: <40mA
• Battery capacity: 3.7V/1200mAh
• Charging current: about 1000mA (Max)
• Charging time: about 1.5h
• Battery life: RX about 8h, TX about 8h
• Bluetooth-compatible distance: ≤30m (open space)
• Charging method: Type-C 5V/1A
• Compatible devices: Android, iOS mobile phones and for iPad, active speakers, amplifiers and Bluetooth-compatible speakers or headphones that support A2DP protocol