Bluetooth version 5.0 Battery capacity :1200mAh Material :ABS+ iron mesh Power :5W Weight :240g Speaker TypeSubwoofer Connectivity TechnologyBluetooth, Auxiliary, USB 1. Long StandbyBluetooth speakers portable wireless. 4 hours of playtime is enough for any outdoor activity. Specifically designed for outdoor speakers. You can use it to determine the current playback mode and volume. About the size of a lemon, this speaker will fit in just about any pocket or small side pocket of a bag, jacket pocket or backpack, so you can listen to whatever you want. Classic design, delicate and lightweight, easy to operate. 2. Mini speakers are widely compatibleyet deliver crystal-clear sound, impressive bass and room-filling loudness with high-performance drivers and passive subwoofers. Small but powerful mini bluetooth speaker. Compatible with all Bluetooth enabled devices to connect to iPhone, iPad, Android and more. 3. Bluetooth connectionThe small bluetooth speaker can be automatically connected every time the Bluetooth speaker is turned on; Supports automatic reconnection to the last used device. 4. M1 Speaker is Lightweight and SmallYou can easily bring your wireless speaker with bluetooth to picnics, camping, hiking, beaches, parties and all kinds of outdoor activities. Versatile creative and modern design make it the gift for Christmas, Easter, Thanksgiving, Birthday, Anniversary, Mother's Day, Father's Day, Halloween and more.