UKELILI UK-890 DSP Noise Reduction Lavalier Pull Cable Bluetooth Earphone without Vibration(Black)

Features:1. The unique design of the earpiece telescopic cable function is more convenient, and there is no need to put the earphone in the ear for a long time2. Intelligent voice reminder, caller number3. Chinese and English bilingual switching4. Headphone battery display, learn more about headphones5. One for two, can connect two mobile phones at the same timeProduct Specifications:1. Bluetooth version: V5.02. Communication distance: 10m3. Transmission frequency: Class24. Charging voltage: DC 5V5. Working voltage: 3.7V6. Battery specification: 80mAh7. Charging time: about 2 hours8. Listening time: about 8 hours9. Talk time: about 9 hours10. Standby time: about 80 hours