5.3 technology brings high-speed data transfer speed, stable performance, and low power consumption. With true wireless stereo technology, left and right earphone channels are separated. You can use the headset solely or used them in pairs. Auto fast pairing between left and right earbuds when taking out of the charging box. Easy and quick to pair with BT-enabled audio devices. Equipped with a 1200mAh charging box to charge the earbuds or smartphone. Built-in Microphone delivers clearer and more real talking sound. It will bring you a perfect user experience.

Fast & Easy Pairing:
Auto power on and fast pairing between left and right earbuds once taking out from the charging case. Easy and quick to pair with BT-enabled audio devices.
Long Battery Life:
40mAh battery in each earbud offers 4-5 hours of music playing time. The earbuds can be charged automatically in the 1200mAh charging box.
Hands-free with Mic:
Built-in dual Mic delivers clearer and more real talking sound in stereo mode. BT5.3 chip enables to grasp the detail of voice greatly.
Battery Digital Display:
LED digital display can clearly show the battery allowance of earbuds and charging box. Charging box can also charge mobile devices like smartphones in an emergency.

Specifications:
Model Number: M90
BT Version: BT 5.3
Transmitting Distance: 10m/33ft
Frequency Range: 20-20KHz
Sensitivity: 95±3dB
Impedance: 32Ω
Charging Box Capacity: 3.7V 1200mAh
Earphone Battery Capacity: 2 * 3.7V 40mAh
Music Play Time: 4-5 hours (depends on music volume)
Charging Time: 1-2 hours
Material: ABS
Color: Black
Package Size: 11.0*9.8*4.0cm/4.33*3.85*1.57in
Package Weight: 131g/4.62in

Package List:
1 * Pair of Earbuds
2 * Pairs of Earcaps
1 * Charging Box
1 * Charging Cable
1 * User Manual