Thrilling M1 mini portable Bluetooth Speaker

• Full-range subwoofer, double diaphragm vibration, professional cavity design. Restore the real stereo sound. 360°panoramic sound effects, super shocking heavy bass, immersive shocking, bring you a strong and powerful bass presentation.
• Equipped with the advanced technology, compatible with all Bluetooth devices. And the phone can display the remaining power of the speaker, Speaker automatically reconnects to the last device used, Connect your devices in just 3 seconds. 
• The speaker will shut down when Bluetooth is disconnected for 10 minutes, which is helpful to save power when the unit is accidentally left on.
• Built-in 500 mAh High performance li-battery, Enjoy 4--6 hours of music at 50% volume, if you play it 1-2 hours every day at mid volume, it no need to charge in 2-3 weeks, up to three times longer than similar-sized portable speakers. Recharge in just 2-3 hours using the included Micro USB cable.

▪Charges via USB cable
▪Good sound bass and volume
▪connect via Bluetooth 
▪listen to music via flash disk as well upto 5hrs‼ nonstop.
▪approximately 20cm diameter
▪outdoor.. Indoor.. Car.. Etc