Welcome to Washranp LLC, enjoy your shopping Material: Metal Bluetooth-compatible: 5.1 Output Power: 4W Input: DC 5V/2A Playing Time: 3-4H(50%25; Volume) Battery Capacity: 1200mAh Bluetooth-compatible Distance: 10 Meters Charging Time: About 2.5H Horn Power: 3Ω5W Frequency Response: 80 Hz-20 KHZ Features: 15W Wireless Charging, Night Light, Time Alarm Clock Size Details: L: 14.6cm/5.75", W: 13.1cm/5.16", H: 7.5cm/2.95"(Approx.) Package Includes: 1 x Speaker 1 x Data Cable Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Suitable for bedrooms, living rooms, and so on, this wireless audio has a wide range of uses. Thanks to its Bluetooth-compatible 5.1 chip, this speaker is stable in transmission, long distances, and can provide you with stereo surround sound. With multi-functional design, this speaker not only supports TF card playback, AUX audio input and other playback modes, but also supports 15W wireless mobile phone fast charging, timer alarm clock, s It is constructed of metal material. Please don't hesitate to contact us if there is any problem. We will respond to you under 24 hours and solve the problems for you.