About this item Superior sound: Bluetooth wireless speaker has crisp and full-bodied sound with booming bass and HI fi 3D stereo sound. Built-in dual voice coil speaker and powerful driver provides clear sound and bass without distortion. Waterproof, Dust-proof, and Slip-proof: Bluetooth outdoor speaker with three defenses: waterproof, dustproof and anti-drop features advantages. Built-in hook, portable line input speaker, perfect for Outdoor Sports, Cycling, Climbing, Camping, Hiking, Traveling, Party, Beach, Bathroom. Bluetooth version 5.0 technology: Waterproof portable speaker offers an extended 33 foot operating range and includes a 3.5mm Audio cable. Bluetooth speaker is compatible with all Bluetooth capable devices including iPhone, iPad, Android, MP3, MP4, Nano, echo, echo dot, iPod, PC computer, etc. 10 Hour Play Time: Bluetooth phone speaker has built-in, rechargeable lithium-ion battery that can provide up to 10 hours of endless music. Play time may differ depending on volum