Description: Built in 1500mAh rechargeable battery, this wireless outdoor speaker can deliver up to 12 hours of playtime. Antenna design with Bluetooth 5.0 provides greater wireless range 32ft and efficient connection to Bluetooth cell phone or devices. Support SD card up to 32G. It allows to insert TF Card, U Disk and 3.5mm audio jack input to listen to the list of your favorite song. Dual speaker, with clear treble, powerful median, and full bass, which will give you wonderful music experience It can connect normally under difficult conditions and the signal is not disturbed. This wireless Bluetooth speaker delivers clear and loud music as well as strong bass. Portable wireless speakers for biking, travel, beach, cycling, riding and other outdoor activities. Specification: Material: ABS Plastic Frequency Response Range: 100HZ - 20KHZ Output power: 5W Signal-to-noise ratio: 75dB Power supply mode: built-in lithium battery Expanded storage: 32GB Effective distance: 10m Operation mode: button Playback format: MP3 Supported formats: U disk, TF Card, 3.5mm Audio Waterproof grade: IPX2 Bluetooth version: 5.0 Battery capacity: 1500mAh Charging Time: 1h Standby Time: 24h Continuous play: 12h Size Chart: 130x85x89mm/5.12x3.35x3.50inch Package Includes: 1 Piece Bluetooth Speaker 1 Piece Strap 1 Piece Charging Cable Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!