Features:
Multi-function charging box, can be used as a mobile phone holder, free your hands.
Call intelligent noise reduction, clear call, unimpeded chat.
M-agnetic suction switch compartment, no need to press hard, easy to operate.
With a large capacity charging box, provide a long charging life for your headphones.
It can charge not only earphones, but also mobile phones.
Automatic boot, automatic pairing.
Equipped with high purity graphene diaphragm, high performance ndfeb horn, shock bass.
Daily life waterproof, support rainy outdoor sports.
V5.0 upgrade chip, the transmission is more stable, the connection is simpler, the call/listen to music is smoother.
Small size and lightweight, comfortable to wear.
It can be connected to one mobile phone at the same time, or it can be used with a single earphone.

Specifications:
Item type: Headset
Color: Black
Bluetooth version: 5.0
Function: Last/Next song, Volume adjustment, Play/Pause, Call rejection, One-key Siri
Working distance: 10M
Charging time: 1-2H
Working time: About 4h(Earbuds)
Earbud's b-attery: 50mAh
Frequency: 50-8KHz
Sensitivity: 95±3dB
Input current: 5V 1A
Output current: 5V 1A
Impedance: 32Ω
Package weight: 143g/5.04ounces
Package size: 150*100*50mm/5.9*3.93*1.96inches

Package list:

1* Bluetooth earphone

1* 3 pairs earcap

1* Charge cable

1* Use manual

Q&A:

1. Is it compatible with samsung?

A：Yes, it compatible with most of smart phone in the market, such as for xiaomi, huawei, lenovo, meizu, apple, samsung

2.Suitable for swimming?

A : No, it is IPX7 waterproof, no fear of daily water, but not for swimming or showering.

3. There will be delay in gaming?

A: No, the voice is clear and timely

4. The sound is nice?

A: The sound is super dood bass and great, you can answer the call.

5. How many hours the headphones work?

A: 4~5 hours

6. Is it compatible with bluetooth 4.2 or just 5.0 only?

A: Yes, it will compatible with bluetooth 4.2. Bluetooth 4.2 or 5.0 makes no difference in connection with phone. The only difference is in the speed that it will send the video.

• Control Button: Yes
• Active Noise-Cancellation: Yes
• Style: True Wireless
• Communication: Wireless
• Vocalism Principle: Dynamic
• Volume Control: Yes
• Wireless Type: Bluetooth
• Codecs: Apt-X
• Support Memory Card: No
• With Microphone: Yes
• Model Number: f9 2000mah power bank with microphone for sony samsung huawei
• Resistance: 32Ω
• Frequency Response Range: 20-20000Hz
• Function: For Internet Bar
• Function: Monitor Headphone
• Function: for Video Game
• Function: Common Headphone
• Function: For Mobile Phone
• Function: For iPod
• Function: HiFi Headphone
• Sensitivity: 120±3dB
• Waterproof: Yes
• Is wireless: No
• Line Length: None
• Plug Type: Wireless
• Support APP: No
• Compatible Model: For iPhone xiaomi huawei redmi honor iphone phone
• talking time: 4~5 hours
• charging time: 1 hours
• name: fone de ouvido, inalambricos auriculares