Invisible Earphones Mini Earphones Bluetooth 5.2TWS Wireless Touch Games NFC Invisible In Ear Noise Reduction Sports EarphonesFeatures350mAh high-capacity magnetic charging compartment, long service life.Graphene diaphragm, pure shock sound quality, bring you a different stereo experience.Compact body, comfortable and light, so that your ears for a long time to wear comfortable, painless.IPX5 waterproof rating, can effectively protect the headset from damage, not afraid of sweat, not afraid of wind and rain.Touch adjustment, invisible in-ear ergonomics ensure that the headset remains stable in the ear, suitable for driving, sports, business and leisure.Upgraded Bluetooth 5.2 chip, compatible with various Bluetooth products, stable wireless connection, lower power consumption, more pleasant calls and listening to music.Specifications:Product name: Bluetooth headsetBluetooth version: 5.2Bluetooth distance: 10 metersThree calls: SupportCharging time: 1.5 hoursHeadset battery: 45mAhCharging case battery: 350mAhTalk time: About 4-5 hoursFrequency range: 20HZ-20KHZHeadphone size: 2.18*1.68*1.3cmCharging box size: 4.9.*3.8*2.5cmProduct color: Black/White/Skin tonePackage Included:1. Due to manual measurement and slight color change, please allow 1-2 cm difference to accommodate different display Settings.2. The color of the item may be slightly different from the picture due to differences in light and screen. Please understand.