TWS Bluetooth 5.0 Earphones 1200mAh Charging Box Wireless Headphone F9 Stereo Sports Waterproof Earbuds Headsets With Microphone

Description
The bluetooth earphone feature IPX7 waterproof design, allowing to use while sweating, no worrying of breaking, convenient and practical.
This wireless stereo earbuds adopts high grade material, providing a better sound effect.
The wireless headphone charging box is equipped with advance Bluetooth version, making the connection quick and stable.
The sport headphones come with a easy-open cabin, convenient for taking out the earphones.
This hand free earbuds are rechargeable, and the cabin is able to charge earphones up to 40 times.

Specification
Material: plastic.
Color: black.
Size: 8*5*1.6cm.
Each earphone battery capacity: 50mAh.
Charging tank capacity: 1200mAh.
Auto boot: support.
Automatic matching: support.
Endurance: about 220 hours in total (for use with charging tank).
Talk time: accumulative total of about 180 hours (for use with charging cabin).
The battery compartment charges the headset about 40 times
Support: HFP 1.7, HSP 1.2, A2DP 1, AVRCP1.6, SPP 1.2 and PBAP 1.0.
Charging voltage: DC 5V.
Microphone sensitivity: -42dB.
Operating temperature: -10-50°C.
Frequency response range: 20-20000Hz.
Sensitivity: 120dB +/- 5dB.
Transmission distance: 10m.
Charging time: about 1 hour.
Button light: red and blue.
Control mode: intelligent touch control.

Package included:
1 * Pair earphones
1 * Charging box.