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

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 headset Light indication: Power on: Blue light Shutdown: Red light To be paired: Red and blue alternately flashing Headphone 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 - 1 x Charging Box - 1 x English User Manual