Adopting high-quality audio technology ensures clear and pure sound quality, bringing you an extraordinary listening experience Bluetooth 5.1 chip, high speed and stable transmission, support HD Bluetooth hands-free communication Support FM radio Built-in wireless radio function, allowing you to easily listen to radio programs around the world, always grasp the latest music information 8 kinds of sleep-aiding sounds TWS Connection: Unique TWS series connection technology allows you to easily connect two speakers in series to enjoy double the shock of sound effect Multiple playback modes: Support Bluetooth playback, TF card playback, AUX playback, wired or wireless can let you enjoy music easily Timer Shutdown: Support 15min, 30min, 60min timer shutdown function, more reliable to use before bedtime Specification: Rated power: 5W Bluetooth version: 5.1 Battery capacity: 1200mAh Distortion: andlt 0.5 percent Signal-to-noise ratio: 285dB Frequency Response: 60HZ-120KHZ Size: 13.8 x 5.3 x 7cm