TWS bluetooth 5.0 Earbuds Mini Stereo Noise Cancelling Bilateral Call Earphone Headphone with 3000mAh Charging Box Power

Specification:- Color: Black, White (Option)- bluetooth version: bluetooth V5.0 + BR + EDR + BLE- bluetooth Protocol: a2dp/ avctp/ avdtp/ avrcp/ hfp/ spp/ smp- SNR: 92dB- Connecting Distance: 10meters- Battery Capacity: 50mAh each side- Capacity of charging box: 5V 3000mAh- Talking Time: 4-7 hours- Music time: Approx. 3-4 hours- Charging Time: 2H- Support System: iOS, Android- Nominal Impedance: 32- Size: Approx. 16x28mm/ 0.63x1.10- Charging box size: Approx. 87x55x32mm/ 3.42x2.17x1.26- Channel : Stereo- Function : Noise cancellation, phone calls,music play, etc.- Easy to carry, can put into pocket.- Invisible mini bluetooth headsetLight indication:Power on: Blue lightShutdown: Red lightTo be paired: Red and blue alternately flashingHeadphone charging indication: During charging, the red light is always on; when charging is finished, the light is off. When the left and right ears are all saturated, the charging box will automatically turn off.Charging box discharge:- 4 blue LED indicators on the charging box are used to indicate the battery capacity. They are: one indicator means 25% battery capacity, two means 50%, three means 75%, four means 100%.- When charging, the blue LED indicators will flash. The four LED indicators will be off when it is fully charged.- If not used for a long time, it is recommended to turn off the OFF/ON switch of the charging box for 2S, and cut off the power supply of the charging box to save power.Package Included:- 2 x Headset- 1 x Charging line