Earbuds Wireless Sports Headphones In-Ear Bluetooth Headsets Waterproof Stereo Earhooks Headset with Noise Cancelling CVC8.0 Charging Case for Workout and Running 

These features include:

Ergonomic Earhook Designed Specially

Technology based on Bluetooth 5.0

CVC 8.0 Noise Cancellation and High-Fidelity Stereo Sound

Waterproof and sweatproof

The battery is smartly displayed and lasts for 4 hours

The specifics are:

There is a Bluetooth version of 5.0

Among the bluetooth protocols include HFP1.7,1.2, A2DP1.3, AVRCP1.6, SPP1.2, PBAP1.2, BDR/BLE

Distance between transmitter and receiver: 10 meters

50 mW is the rated power

Built-in power amplifier

The receiver has a 120 dB sensitivity

The impedance is 32?

There should be a frequency response of 20-20 kHz

Capacity of a battery

The earphone has a battery capacity of 60mAh and a voltage of 3.7V

The charging case has a capacity of 600mAh and a voltage of 3.7V

The charging time (h) is about 2 hours

It will take 4-5 hours to complete

240 hours of standby time

With Charging Case Criteria

Included in the package:

Bluetooth earbuds for two

A charging box is included

A charging cable is included

A user's guide is included

A pair of ear caps