Key Technical Specifications

• Drivers: Dual 8-inch subwoofers providing heavy bass output.
• Power Output: Rated around 35W to 45W per speaker unit (approximately 70W–90W total RMS capability).
• Battery: Equipped with a 4500mAh 7.4V lithium-ion rechargeable battery.
• Lighting Effects: Multi-color RGB flame light display synced to the audio.

Core Connectivity Features

• Wireless Playback: Bluetooth audio streaming with a standard 10-meter range.
• True Wireless Stereo (TWS): Enables linking two identical BTS-1388 units wirelessly for enhanced stereo sound.
• Media Inputs: Dedicated ports for USB flash drives, TF/MicroSD cards (up to 32GB), and a standard 3.5mm AUX line input.
• Instruments & Audio: Built-in 6.5mm input jacks supporting wired karaoke microphones and guitar inputs.
• Radio: Integrated FM tuner. 

Included Accessories 

• One rechargeable wireless microphone
• One infrared remote control
• USB charging cable