Bluetooth Earbuds Wireless Earphones Stereo Headset Headphone

Properties :
Low power consumption, long battery life and long standby time are available after fully charged.
Two connection methods: single / double use, listen to one ear to enjoy alone, listen to HiFi stereo in both ears.
The headphones can be charged several times from the charging case.
Automatic boot pairing, built-in active noise reduction IC, HD call.
8D surround sound, 5.0 dual-ear chip, large capacity, real wireless Bluetooth headset

Specification:
Model: F9
Bluetooth version: 5.0
Noise reduction version: CVC8.0
Battery capacity of the earphones: 50mAh
Charging box battery capacity: 3500mAh
Working distance: 10 meters
Auto On: support
Automatic pairing: support
Talk time: approx. 150 hours (used with the charging box)
Music time: approx. 150 hours (used with the charging box)
Charging times earphones AFTER charging box: About 25 times
Charging box input current: 5V 1A
Key light: red & blue
Earbud material: PC
Function: Play / pause (single click), answer / hang up (single click), wake Siri (short press), volume control (press three times), switch songs (double click), on / off (long press for 5S)

Delivery content:
4 x earphones
2 x charging box
2 x charging cable
2 x user manual