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: Built-in microphone, one-touch answer (or press twice to reject), 10-meter stable connection, connect with others - hands-free call with almost anyone. Compatible with the camera app (apps that can take pictures with the volume key can be supported) Turn on the mobile phone camera to connect to the Bluetooth function, and press the play button in the middle of the bluetooth speaker to complete the camera operation. 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: 7.4*5.1*5 cm. LONG BATTERY LIFE: Built-in 900 mAh Li-polymer battery guarantees 8-9 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.