Bluetooth version: V5.0

Earplug battery capacity: 50mAh

Charging box battery capacity: 1200mAh（Can be used as a power bank）

Working hours: 3-5H

Standby time: 120H

Operation mode: touch

Waterproof rating: IPX7

Product color: Black

Certification: CE

Battery voltage: 3.7V

Input voltage: 5V

Transmission distance: ≥10M

Speaker: 20-20khz

Bluetooth operating frequency: 2.402-2.48Ghz

Noise reduction version: CVC8.0

Automatic boot: support

Automatic pairing: support

Endurance time: up to 120 hours when used with the charging compartment

Charging compartment input current: 5V 1A

Magnetic absorption function: magnetic absorption and nano charging

Control method: smart touch

usage :

1.Take out the headset, you will see the red and blue lights flashing on the two headsets

2. Double-click on one ofthe headphones and waitfor about 10 seconds

3. You will notice that theight of one of theheadphones is only blue .

4. Then open the phoneBluetooth search to " F9 "

Specification:

【Fast & Stable Connection】Advanced Bluetooth 5.0 technology guarantees faster and more stable connection and transmission. Open the charging case then the true wireless earbuds will turn on and pair automatically. Care-free for pairing problem. When you use single earphone just take out the second one to achieve seamless transformation between single mode and twin mode.

【Clear & Loud Stereo Sound】 CVC 8.0 noise canceling technology provides clear sound. Bluetooth 5.0 wireless headphone with excellent Hi-Fi stereo sound gives you an auditory feast. With built-in microphone you can take calls or redial last call. IPX7 waterproof withstands sweaty exercise in the Gym. Enjoy music everywhere!

【Up to 156H Playtime】This Bluetooth earphone is equipped with built-in 85mAh battery which can last 10-12 hours after a single full charge. 1200mAh portable rechargeable case can recharge Bluetooth earbuds about 13 times that boasts outstanding up to 156H playtime. Moreover this charging case can serve as power bank for your phone or other devices in emergence.

【Smart LCD Digital Display】 In smart LCD digital screen you can check battery consumption display anytime. Charging case presents its battery from 1%-100%.

【Smart Touch Control】User friendly design and easy operation. By tapping the Bluetooth earphones to answer/reject the call, hang up the phone, wake up Siri, music play/pause, previous/next track, volume up/down.