Fineblue F1 Lavalier Bluetooth Earphone, Support Vibration Reminder(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. Vibration reminder function for incoming calls3. Intelligent voice reminder, caller number/name4. 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: RT2. Bluetooth version: V5.03. Communication distance: 10m4. Transmission frequency: Class25. Charging voltage: DC 5V6. Working voltage: 3.7V7. Battery Specifications: 95mAh8. Charging time: about 2 hours9. Listening time: about 10 hours10. Talk time: about 11 hours11. Standby time: about 180 hours