Bluetooth version: Bluetooth 5.0Charging compartment: 1500 mAhHeadphone capacity: 50 mAHeadphone full time: 1-2 hoursSupport mobile phone charging: supportTalk time: 8-10 hoursListening time: 4-8 hoursTransmission distance: about 10 metersCharging voltage: DC5VCharging time: 1 hourWireless frequency: 2.4GHZWorking temperature: -10-50°C
