Yanmai K2 Portable Mini Wireless Bluetooth Lapel Microphone(Black)

1. Battery capacity: 330MA 2. Charging time: 1H 3. Continuous use: about 5 hours 4. Output power: 1.3W 5. Charging port: TYPE-C 6. Speaker: 80/2W 7. TYPE-C charging port, fully charged and standby for 4-6 hours. 8. Simple, convenient and practical. 9. Small size, easy to carry. 10. Use with the mask, real-time speaker, amplify the sound, and the sound quality is clear.