The ROCKBOX BOLD M is ready for anything! It is so small that it fits in any rucksack or suitcase and can be taken with you everywhere. The ROCKBOX BOLD M is beachproof. Even dirt is no problem: You can simply wash the BOLD under running water. With the built-in Powerbank, you can also charge your smartphone or tablet via USB. The ROCKBOX BOLD M is decorated with a robust rubber label. When you turn on your ROCKBOX BOLD M, the buttons are illuminated. So you know when to load her up so she's ready for the next party. The ROCKBOX BOLD M captivates with shapely curves and is available in four trendy colours for every occasion. The ROCKBOX BOLD M is covered with a robust, waterproof fabric. So don't worry if sand, dust or dirt gets on your new speaker. BOLD has a built-in microphone that lets you call all your friends and invite them to your next party. Bluetooth, wireless, you hear wireless music from any Bluetooth device. Water column in accordance with IPX7 standard. Connect 2 ROCKBOX BOLD M for the man stereo. Backup battery functionality, USB port for charging your mobile phone. 15 hours music non-stop, rechargeable battery 5000 mAh. Concrete.