Features:High-definition LED displays the remaining powerAutomatic boot matchingUpgraded magnetic induction, automatically charged in the storage box, can charge the phoneLightweight and compact body, comfortable and stable to wearCan be used as a mobile phone holder to free your handsAdopt new intelligent noise reduction technologyWaterproof and sweat proof, effectively preventing sweat from damaging componentsSpecification:Colour: BlackConnection technology: wirelessBattery capacity: 2000 mAhMagnetic absorption function: magnetic absorption nano-chargingControl method: touch operationNoise control: noise reductionProduct weight: 200 gramsWaterproof grade: waterproof