Generic Mini Invisible Bluetooth Earphones TWS Wireless Gaming Headphones Noise Canceling Music Sports Earbuds Ultra Small

1: Wearing is not invisible, you will experience ear pain for a short time2: Earless, earless, ergonomic design, while maintaining concealment, also gives you a comfortable experience that you can't give up. It does not enter the ears and there is no pressure for a long time, even children can relax.3: Function power display, call function, NFC function, voice control, support music, multi-point connectionFunction ParameterBluetooth chipset: V5.1+EDRWorking range: 20-30 metersFrequency range: 20HZ-20KHZEarphone weight: 3 gramsEarphones with charging case: 34gEarphones battery: 50mAhBattery in charging case charging: 350mAhMicrophone sensitivity: 42dbUNIT sensitivity: 98db + -5dbHeadphone working time: 36 hoursThe number of times the charging compartment can be charged: 3-5 timesStandby time: 1 50 hoursCharging time: 1-2 hoursAvailable colors: white, skin tone, pink, blackFunction: answer/reject calls, play/pause music, switch to next song