Air-S4 TWS Wireless Stereo Earbuds Bluetooth-Compatible 5.1 Semi-In-Ear, White, 501 Original

Air-S4 TWS True Wireless Stereo Earbuds Bluetooth-Compatible 5.1 Semi-In-Ear Binaural Headphones Sports Noise Canceling Headset EarphonesSpecification: Bluetooth-Compatible version: V5.1+EDRBluetooth-Compatible protocol: A2DP1.3/HFP1.6/HSP1.2Voltage: 5VChipset: Bluetrum 5376Case material: ABS+PCCharging time: 1 hourBluetooth-Compatible distance: 10m-15mHeadset capacity: 30mAh*2Standby time: 240 hoursPlay / talk time: 2-2.5 hoursCharging case capacity: 200mAhHorn model: 13.round hornHorn size: 13mmImpedance: 320ΩRated power: 3mWMaximum power: 5mWFrequency response: 20hz-20KhzCharging time for charging compartment: 1.5-2 hoursCharging box for the headset charging times: 3 timesMain auxiliary / TWS connection success indicator blue light: engine intermittent slow flashingCharging box size: 44*43*21mm/1.73*1.69*0.83inColor: Black, White, Dark GreenNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow about 1-2cm measuring deviation due to manual measurement.Package Content:1 Pair * Earbuds1 * Charging Case1 * Charging Cable1 * User Manual