UKELILI UK-E20 DSP Noise Reduction Lavalier Pull Cable Bluetooth Earphone with Vibration(Black)

Features:1. Unique earpiece telescopic cable function design, more convenient, no need to put the earphone on for a long time 2. Incoming call vibration reminder function3. Intelligent voice reminder, caller number4. Chinese and English bilingual switching5. Headphone battery display, learn more about headphones6. One for two, can connect two mobile phones at the same timeProduct Specifications:1. Chip model: CSR2. Bluetooth version: V4.03. Communication distance: 10m4. Transmission frequency: Class25. Charging voltage: DC 5V6. Working voltage: 3.7V7. Battery specification: 80mAh8. Charging time: about 2 hours9. Listening time: about 5 hours10. Talk time: about 6 hours11. Standby time: about 80 hours