Specifications:
Large capacity charging box can charge for earphones for a long time.
With 9D surround sound and 5.0 binaural chip, it provides you excellent music and call experience.
It has intelligent noise reduction function, and have no game delay.

Item Name: Wireless Earphones
Model: S1 Bluetooth Headset
Bluetooth Version: V5.0
Support for: 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 Degree Celsius
Frequency Range: 20-20000Hz
Sensitivity: 120dB +/- 5dB
Transmission Distance: 10m
Charging Time: about 1 H
Cumulative Battery Life: about 180 H
Single Earphone Battery: 40 mAh (Included)
Charging Box Battery: 2200 mAh (Included)
Features: Large Capacity, Super Stable Connection, Automatic Matching
Size: 10cm x 5cm x 4cm/3.94" x 1.97" x 1.57" (Approx.)

Notes:
Due to the light and screen setting difference, the items color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

Package Includes:
2 x Wireless Earphones
1 x Charging Box
1 x User Manual
1 x Charging Cable