About this item ♫【Portable Wireless Bluetooth Speaker】 - The cordless speaker is perfectly compatible with Makita 18v batteries BL1820B BL1830B BL1840B BL1850B BL1860B etc.(Batteries not included) ♫【Sensational Sound Effects】- Utilizing high-performance drivers and a unique enhanced bass design, along with a 30W high-fidelity stereo audio driver speaker, digital signal processor, and passive radiator, it delivers impressive volume, balanced sound, and crisp high, mid, and low tones. ♫【RGB Light Show&Dual USB Ports】- Start the party with delightful tunes and vibrant, flashing LED lights. Tap the 'Light Button' for a gradient illumination that creates an electrifying party atmosphere, adding lively energy to your event.With USB-A and USB-C ports for quick emergency charging at 5V/2.1A. The USB-A port also plays music from USB flash drives, offering portable entertainment. ♫【TWS Functionality】-The speaker supports dual speaker pairing, connecting two Bluetooth speakers for simultaneous playback, doubling the volume, and creating an immersive stereo experience! Bluetooth ensures instant pairing and maintains a strong connection within a range of up to 66 feet. ♫【Outstanding Wireless Bluetooth Speaker with User-Friendly Design】- Equipped with a built-in low-voltage protection chip, it automatically cuts off power below 15V to protect your battery. If not used for a long period of time, store the batteries separately.