Features:
1.True wireless high-performance headphones, which are automatically turned on and paired after being taken out from the charging case.
2.BT 5.0 has high data transmission speed, stable connection and low power consumption.
3.Built-in high-definition microphone, high-sensitivity microphone can reduce environmental noise and master voice details, and support binaural call.
4.Equipped with 300mAh charging case, 360 degree rotate to open, with LED light digital display, which can display the remaining power and last for a long time.
5.Intelligent touch control, handy to operate, and is more comfortable to wear.

Specifications:
Type: True wireless?Earphone
BT Version: BT 5.0
Transmission Distance: about 10 meters (no obstacle)
Charging Case Capacity: 3.7V 300mAh
Earphone Battery Capacity: 3.7V 40mAh
Working Time: about 3-4 hours
Input: 5V/1A
Output: 5V/1A
Color: Black
Package Size: 12.8*8*3.5cm/5.0*3.1*1.4in
Package Weight: 75g/2.6oz

Package List:
2* Earbud
1* Charging Case
1* USB Charging Cable
2 * Pairs Earcap
1* User Manual (English)
Product parameters:? Product model:F9-5C? 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~2480MHzBattery type: 3.7V, >50mAh Lithium-ion polymer batteryHeadphone charging time: 1-2HWorking temperature: -10 ?C-55~CInput current: 5V–1AOutput current: 5V–1ABattery type: 3.7V, >1200mAh Lithium-ion polymer batteryCharging battery capacity: 1200mAhCharging bin charging time: 1-2H