Marine-Grade Waterproof Wireless Bluetooth Ruggedized Speaker for Smartphones , Tablets , MP3 Players , Laptops and More - Perfect for the Beach , Shower , Pool , Lake , River , Boat , Kyak & More! Ultra-rugged design features a shock-absorbing silicone skin for protection against bumps, dings, and dents Marine-grade waterproof design ensures that not even the elements will stop you from rocking out Bluetooth functionality allows for completely wireless playback from your Smartphone, tablet, or other Bluetooth-enabled device Built-in 1400mAh rechargeable lithium-ion battery provides hours of audio playback Integrated loop allows for easy attachment via carabiner to your backpack, tent, or anywhere else for that matter **Includes Accessory Bag and Cleaning Cloth!