The 9000Hz Rechargeable Portable Bluetooth Speaker is a compact, portable audio solution designed for party and home use. It combines 360° surround stereo and an RGB subwoofer bass to deliver immersive sound from a floor-standing rectangle-style ABS enclosure in black. The speaker is lightweight at 700g and built for indoor and outdoor use with an IPX7 waterproof rating. Connectivity is flexible: wireless Bluetooth pairing, TWS pairing for linking multiple units, USB playback and FM radio give you several listening options. The unit also includes a mic input for hands-free calls or vocal input. Power is supplied by a built-in rechargeable lithium-ion battery with an approximate 4-hour playback time and a 3–5 hour charging window at 5V. The speaker uses a USB interface and supports mobile devices, PCs and laptops for audio compatibility.