The Blue, One size Wireless Handheld Bluetooth Speaker is a portable, dual speaker system designed for outdoor use and home radio. It features 360 balanced surround sound, HiFi sound quality, and an upgraded Bluetooth chip for faster and more stable music streaming. With a 1200mAh battery, it offers up to 8 hours of playback time. The speaker supports Bluetooth, TF, USB, and FM, and comes with a carrying strap for easy transport. Made of ABS plastic, iron mesh, and rubber oil, it measures 168x64x64mm and has a Bluetooth specification of Bluetooth 5.0 with a transmission distance of 10 meters.