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