Audio Components and Compact : Take your music anywhere with this mini speaker that's small enough to fit in your pocket. Bluetooth Connectivity : Connect your device to the speaker wirelessly via Bluetooth for a seamless experience. USB Power Source : Charge the speaker easily with a USB cable, making it convenient to use on-the-go. Full-Range Crossover : Enjoy high-quality sound with a full-range crossover that delivers clear and balanced . --Please charge the device before use when it received. 1-2 hours Specifications: Output power: 3W Battery capacity: Lithium battery 400mAh Play time: about 2-4 hours (depending on the volume level) Charging time: about 2-3 hours Support: Bluetooth, TF card, USB,AUX Bluetooth version: V5.0 Bluetooth distance: 10M Product weight: 190G Product size: 7*9.5*5CM Package Include: 1* Bluetooth Speaker 1* Charge Cable 1* Manual 1* Box Note: Please allow 1-2cm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same --Please charge the device before use when it received. 1-2 hours Note: Please allow 1-2cm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same