Features: 1. Weight is only 8.3g 2. Bluetooth 5.0 version 3. Long battery life 4. Wirele selfie remote control 5. Hands-free calling 6. Four-way button Description: The small bluetooth speaker has both appearance and strength. Small body, loud volume. High-quality speakers, profeional customized speakers. Large capacity battery, 9 hours long battery life. Bluetooth chip version 5.0, 10 meters worry-free connection. Hands-free call, built-in microphone, one-key answer. 4-way button for wirele and convenient operation. Micro USB charging port, fast charging in 2 hours. Support remote wirele photography, you can also take full body photos. Pre the middle play button of the Bluetooth mini speaker to complete the photo operation. Multi-scene application, take photos at any time at any time, just click to shoot. Intimate lanyard design, always with you. Parameter: Product Model: 349 Rated capacity: 900mAh (MAX) Rated voltage: 5V 600mA Charging time: 2hour Working time: 8-9hour Product weight: 83g Product size: 74X51X50mm Bluetooth version: 5.0 Executive standard: GB8898-2011 Package List: 1 x 3Life Robot Speaker 1 x User Manual