Incredible battery life perfect for outdoors and in the shower: this Bluetooth speaker comes with a built-in high-capacity lithium battery for more durable use. When connected via Bluetooth mode, the Bluetooth speaker's battery level is displayed on your phone. IP45 Water and Dust Resistant: The silicone casing and interface design ensures that it is shockproof, dust and water resistant, making it perfect for outdoor use and showers. It can also be used in harsh environments. Impressive and user-friendly design: The aluminium metal climbing buckle makes it easy to hang and attach it wherever you want, and with an effective waterproof rating of IPx45, you can enjoy great music in the bath. Built-in microphone and hands-free function: you can take calls conveniently from anywhere in the car, bathroom, home or office with this mini Bluetooth speaker while connected to your smartphone. High compatibility: using the latest Bluetooth version, you can use this wireless Bluetooth speaker at home, in the office, in the car, outdoors, etc. because the volume of the battery is visualised on the phone. It supports any device via Bluetooth or Aux cable, such as iPhone, iPad, Samsung, PDA, PC, Macbook, MP3 player, laptop, etc. Battery: 900 mAh Size: 86*97*38mm Bluetooth range: 10m Battery life: 15 hours