IPX5 Waterproof and DustproofHigh Capacity BatteryHD VoiceHiFi SoundLED DisplayBluetooth Version: 5.3Play Time: About 4hStandby Time: About 120hHeadphone Charging Time: about 1hHeadphone Battery Capacity: 25mAhCharging Voltage: DC 5VCharging Port: Type-C Charging PortBluetooth Headset Transmission Distance:Less than 10mFrequency Range: 20HZ-20KHZSignal-to-Noise Ratio: 90DBKey/touch: TouchLow Power Reminder: VoiceColour:blackMaterial:plastic+absPackage Contents:1 x Wireless Bluetooth Earphones1 x Charging CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.