Features:

Portable 
The HOPESTAR A40 80W Outdoor Portable Subwoofer Wireless Speaker offers a compact, wireless experience, easily connecting to smartphones, tablets, and other devices via Bluetooth, Wi-Fi, or USB.
High Power
With 80 watts of power, it delivers clear, powerful sound for an immersive audio experience indoors and outdoors.
Waterproof
Designed to withstand harsh weather, the waterproof HOPESTAR A40 is perfect for the garden, pool, or beach.
Multiple Connectivity Options
It supports apt-X, power, app, FM, memory card, Wi-Fi music, USB, and includes a built-in wireless charger for phones.
RGB Light
Featuring RGB lighting and customizable colors, it enhances visual appeal, while the two-way audio crossover and electrostatic tweeter ensure top-notch audio quality.

Specs:

Type: A40 bluetooth speaker
Function: waterproof, voice prompt, call function
Applicable scene: car, fitness, outdoor, home, K song, square dance
Connection method: Bluetooth connection
Interface type: USB
Frequency response range: 100HZ-20KHZ
Signal-to-noise ratio: ≥75dB
Power supply mode: built-in lithium battery
Channel: 2.1
Playing time: 8 hours
Expandable Storage: 32GB
Effective distance: 10 meters
Playback format: MP3, WMA  
Waterproof grade: IPX8
Battery capacity: 12000mAh
Bluetooth protocol: 5.3