Product Shell material: plastic Bluetooth version: 4.0 LED color night light 48 colors (color temperature 3500 ~ 3800K; three-level brightness setting) Function: insert card, alarm clock, voice prompt, night light LINE IN (wired audio input, can be connected to TV, computer, tablet, mobile phone and other audio sources) Speaker specifications: 5W + low frequency amplifier Built-in battery: 4000mAh Power supply (charging): 5V USB 1. 5 in 1 SUPER MULTIFUNCTION - Touch control night light + bluetooth speaker + MP3 player + digital alarm clock + dimmable night light. You can enjoy the colorful life, listen to audio books in the bedroom at night or play music while cooking or exercising. 2. Bluetooth 4.0 speaker Easy connection with bluetooth, compatible with all bluetooth devices. Also supports flash drive, TF card, AUX input. 33Ft / 10M bluetooth range.You could enjoy the super quality sound, listen to audio books in the bedroom at night, play music while cooking or exercising. 3. Large capacity battery USB rechargeable wireless bluetooth speaker with built-in 4000mAh Li battery. Up to 12 hours of lighting time and 10 hours of music playback (depending on volume / brightness). Easy charging via USB cable with 6-10 hours charging time. 4. 48 ROMANTIC COLOR LIGHTS - The light changes its color with different volume and rhythm. 3 levels of brightness adjustable with the cool touch control design, warm led night light can create comfortable environment for you. Colorful led light gives you a wonderful mood. 5. Best Gift - Multifunctional, creative and modern design make it your best gift for any occasion. It is completely portable and easy to store. Perfect for the home, spa, dorms and baby rooms a romantic atmosphere / surprise.