Promate LaBoca Headphone, Over-Ear Deep Bass Wireless Headphone with Long Paytime, Hi-Fi Sound: Technical Specifications:Bluetooth Version: v5.0Input: 5V, 1ASpeaker Frequency: 20Hz-20KHzCharging Time:1-2 HoursPlaying Time: 3-5 HoursStandby Time: 30 HoursBattery Capacity: 200mAhFeatures:Experience Powerful Sound:Elevate your listening experience with sound that boasts balance and clarity throug