Intuitive multi-function wheel: adjust the volume with a simple rotary wheel. Press to play and pause music and make a hands-free call. Hold for 3 seconds to activate voice assistant. The range of the waterproof wireless speaker is about 10 meters. It can also be connected to non-Bluetooth devices via the included 3.5mm audio cable.Triple bass effect: super bass, 3D deep bass, human voice for an unparalleled listening experience. If that's not enough, you can connect two speakers together for 3D stereoscopic stereo surround sound. The unusually clear harmonic distortion is less than 1%. SD/TF card slotAdvanced Bluetooth 5.0 technology provides faster and more stable signal transmission, clearer sound quality and lower power consumption. Rainproof, dustproof and sandproof, durable design, very suitable for outdoor and home use. Easy to put in a school bag or backpack. The speaker can withstand splashes and light splashes, but cannot be partially or fully submerged.Smart speaker with 1800mAh battery. Once fully charged, you can play music at 50% volume for up to 10 hours. The elegant design can be worn comfortably or placed in the room as an ornament. It is a perfect gift for music loversOur portable bluetooth speakers are built to last. Scope of delivery: Bluetooth speaker, USB-C charging cable, cable, user manual. Perfect Home, Gifts for Christmas, Thanksgiving, Halloween, Black Friday, Cyber Monday.