F9 Bluetooth Earphone V5.0 Tws Wireless Earphone – Black

Product model:F9
Bluetooth version: V5.0
Support Agreement: Supports HFP 1.7HSP1.2, A2DP 1AVRC1.65SPP 1.2 and PBAP1.0
Chip solution: BT8812A

Working distance: 10m
Talk time: 4-5H (full power single use)
Music playback time: 4-5H (full charge single use)

Standby time: 650H (requires matching charging compartment)
Frequency range: 2402MHz~2480MHz
Battery type: 3.7V, >50mAh Lithium-ion polymer battery
Headphone charging time: 1-2H
Working temperature: -10 °C-55~C

Mobile charging bank parameters:

Input current: 5V–1A
Output current: 5V–1A
Battery type: 3.7V, >2000mAh Lithium-ion polymer battery
Charging battery capacity: 2000mAh
Charging bin charging time: 1-2H