Small Body and Large CapacityBuilt in 18650 1800mAh Rechargeable Battery. Full Charge Time is about 2.5H with included USB Type-C cable 5V 1A. Output Power: 5W. The Endurance Can Reach 7H, to Enjoy Uninterrupted Music Up to 12 Hours at Medium Volume on a full Charge. IP65 Waterproof Level is Designed Against Rain, Splashes, it can be Used as a Wireless Shower Bluetooth Speaker.Bluetooth Version 5.0 Adopts the Most Stable A2DP Tech. Bluetooth Transmission Distance: 10m. Support TF Card.Color RGB Atmosphere LightsRGB Color Design of Wireless Bluetooth Speaker is not Only a Kind of Enjoyment for Ears, But Also a Treat for Eyes. Enhanced Sound Quality, With 10 light beads, its colors change smoothly, Coupled with the Cool 5 RGB Colors Mode, is Synchronized with the Music Beat to Create a Pulsating Light Show. One Key Switch RGB Color Mode. Catch Up with the Pace of Music, Follow the Beat of the Notes, Mix the RGB Flash to Light Up your Mood and Party.Powerful Sound & Stereo SpeakerThe Small Portable Design of Speakers would not Affect Sound Performance. Equipped with Advanced Digital Audio Processor, High Performance Amplifier and Well Adjusted Driver, which can Provide High Quality Stereo Sound, Enhanced Definition of Middle and High Tones. The ultra-portable IPX5 water Resistant Speakers Can be Easily Put into Pocket, Backpack, or Suitcase, So You Can Bring Them to the Beach, Pool and in the shower.