What's in the box:

TWS I7s Mini Wireless Bluetooth In-Ear Earphone (Black)

The mini wireless earphones are suitable for sports, driving, business, etc. Hands-free design makes you answer the call anytime. Also it can can connect two mobile phones at the same time.

Features:
Mini wireless earbuds, lightweight and portable, simple and stylish.
Compatible with most BT devices, this will connect automatically with a phone paired previously.
The wireless range up to 10 meters, it offers you the wireless freedom, and it gives you the most comfortable wearing experience.
Can eliminate noise and echo very well, perfect for stealth listening or watching at work.
Support multi-point connections, can connect two mobile phones at the same time.
Ready to answer call of one phone anytime, with microphone hands-free calling.
Built-in Li-ion battery, standby time is about 80h, up to 3 hours of continuous talk time and music time.

Specifications:
Wireless version: 4.2
Frequency: 2.4 ghz
BT version: V4.2
Distortion: 0.1%
Frequency (HZ): 2.40 GHz - 2.48 GHz
Transmission range: 10m
Standby time: about 80 hours.
Play time: about 2-3 hours.
Talk time: about 2-3 hours.
Charging time: about 1.5 hours
Color: Black, White (optional)
Item size: 3 * 2.2 * 2.05cm / 1.18 * 0.87 * 0.81in
Item weight: 9g / 0.32oz

Operation
Pairing:
1. Long press the function button for 3 seconds, then the red and blue LED lights will flash alternately;
2. Shortly press the function key of any BT headset twice in succession to pair the ears and the blue LED flashes;
3. Your device can pair with a BT headset now.
Earphone pairing name: HB-20.
Play/Pause: Shortly press the function button once.
Shutdown: Long press the function button for 3 seconds to shut down, the red light.
Charging: Charging via USB charging cable connects to the USB port of the earphone(the red LED is on) and when it is fully charged, the blue LED lights up.
Answer call: During the call, the headset prompts the incoming call, and the B headset does not have a sound. Short press the headset function button of A once (Note: During the call, the B headset does not work).
End call: Shortly press the headset function button of A once to end the call.
Reject call: Long press the headset function button of A for 2 seconds.

Package List:
2 * Stereo BT Earphones
6 * Earbud Tips
1 * USB Charging Cable
1 * Velvet Cloth Bag
1 * User Manual