The Mini Bluetooth dual speaker offers great quality sound with Bluetooth 3.0 technology. It features two highly powerful 40mm total 1.5W acoustic drivers for excellent sound. With the ultra-compact size and the soft touch rubber design, it can be easily fitted into a backpack, suitcase, or a travel bag. The built-in 1000 mAh rechargeable battery enables an 4-10 hours of playtime on a single charge. This speaker is strong enough to fill up a kitchen, living room, or classroom. It is ideal for personal usage, indoor party or outdoor BBQ or picnic with friends and family.