Features: 1. 5W Strong driver for rich immersive sound2. Long battery life: built in 800mAh li-on battery， USB power supply， 75% volume lasts for 8-10 hours3. Connect back the last device automatically4. Bluetooth version: 2.1+EDR5. Two-way hands-free calls6. ISO ringtones playback support7. Small size: L80*W86*H46mm， high power， high penetration8. Strong bass， treble not break the sound9. Lateral placement， a lateral sound Provide the best hearing direction10. Metallic elastomeric coating Inheritance metallic paint texture Soft touch paint11. Kevlar cone speakers and low-frequency radiation Combination of elements12.Support type: Bluetooth or AUX output Players