Model: SPACE TRAVEL Bluetooth version: 5.3 Supported protocols: A2DP/AVRCP/HFP/HSP/SBC/AAC Charging port: Type-C Working distance: 10m (barrier-free open environment) Support system: Bluetooth devices and mobile phones Earphone charging time: About 1 Hour Charging time of charging case: about 1.5 Hours Earphone battery capacity: 3.7V/37mAh Battery capacity of charging case: 3.7V/380mAh Battery life of earphone: About 4 Hours Battery life of charging case: About 12 Hours
