Wireless 5.1ZKLX chipCharging time: 1 hourUsage time: 3 hoursWaiting time: 160 hoursTransmission distance: 10 metersFingerprint pressure sensitivityHigh fidelity speakerSound equipmentAutomatically pair with compatible phonesHearing aid content:Packaging box2 earphones (L+R)Cargo box1 20cm charging cable1 Product manualIf you have any questions, please contact us to resolve any issues, and we will do our best to provide you with the best pre-sales and after-sales service.Sellers guarantee: 1 month