Product description Bluetooth Version: V5.0 Output Power:5W Input: DC 5V\/ 1A Battery: 3.7 V\/ 1500 mAh Battery Charge Time: 4 hours Playtime: Up to 12 hours (varies by volume level and audio content) Dimension: 81*81*116mm Color: black, red, gray Package Content 1* Bluetooth Speaker 1* Micro USB Cable 1* User Manual 1.HD sound \u0026 True Stereo Sound Bluetooth speakers equipped with dual drivers and bass radiator, delivers premium crystal clear sound and balanced bass. TWS enables you to easily connect any two wireless speakers to achieve true stereo sound. With 360 true HD sound, you'll feel as if you're at a live concert. 2.12 Hour Playtime \u0026 Powerful Sound The bluetooth speaker delivers powerful sound through an advanced 20W driver, With 1500mAh of lithium-ion battery, can last for 12 hours of audio play at 2\/3 volume from a single full charge. A perfect choice for those who like to enjoy the music from day to night. 3.Portable IPX5 Waterproof Waterproof bluetooth speaker have two ways of carrying design makes it very elegant and handy. You can easily carry it anywhere you go, use it in your car, dorm room, park, yard, car, relaxing at home or anywhere else imaginable. don't worry rain or Splash of water, portable bluetooth speakers is IPX5 water-resistant. 4.Bluetooth V5.0 \u0026 Versatile Input OptionsMost advanced bluetooth 5.0 technology more effortlessly connects to all of your bluetooth-enabled devices up to 33ft range. Don't worry if Bluetooth is not available, with the TF slot, you can play songs directly from your memory card, portable wireless speaker also has a USB \u0026 AUX Intput and 3.5mm jack input.