Small size, big volume, conquer the wilderness. All-metal casing with sealed joints for a stable and rigid structure, preventing vibrations from metal-to-metal collisions. Specially tuned for outdoor use, delivering powerful bass for a richer, fuller sound, perfect for outdoor music listening. Metal body with a premium feel. The body is made of high-density zinc alloy, seamlessly die-cast on five sides, with a high-saturation color scheme and a three-coat, three-spray finish. Compact and portable, perfect for accessories. Equipped with a large-diameter speaker and high-power amplifier, its small size delivers tremendous sound energy beyond its size. 6-hour long battery life for movies, e-sports, and karaoke. Trendy RGB ambient lighting. Product Features: Music function: control volume, up and down songs, dynamic music background Local music: Supports TF card mode and app transfer of music. Wallpaper: Built in wallpaper, APP transfer DIY wallpaper Calendar function: able to view the calendar clock function: can set multiple , Calculator: Perform simple mathematical operations Timer: Countdown for 1/3/5 minutes Message push: able to synchronize information on mobile phones Weather synchronization: able to synchronize weather information Zinc alloy metal shell, cool and colorful lighting, TF Suitable for smartphones with Bluetooth-compatible function/laptops, computers, tablets, etc. with Bluetooth-compatible module Speaker specifications: 425 watts Battery life: 4-6 hours (at volume 50) Frequency response: 100Hz-20kHz Charging port: Type-C Transmission distance: 15m Rated input: 5V/1A Signal-to-noise ratio: 78dB Bluetooth: 5.4 Battery Capacity: 1200mAh Number of Channels: Mono Color: As Shown Material: Metal Package