The sound in such a small sound cavity will produce a shocking sound effect, and the sound is full and delicate. Maximum volume without distortion; room filling sound, perfect for home, dorm, kitchen, bathroom, car, party; mini speaker for convenience. Hands-free calling: 10 meters stable connection, connect with others - hands-free call to almost anyone. PORTABLE: You get a lanyard hook so you can take your music with you wherever you go. So it's perfect for outdoor, hiking, beach, dorm, kitchen, bathroom, boat, golf cart, etc. Size: 6*5*3.5 cm. Long battery life: Built-in 900 mAh Li-polymer battery guarantees 8-10 hours of play time, and it takes about 2 hours to charge. We only sell bluetooth speakers, not other items in the picture. Due to differences in different monitors, the pictures may not reflect the actual color of the item. Due to manual measurement, please allow slight size errors.