Light and Dynamic Long-time Enjoying WM02+ · Mini and compact Comfortable wear · 50 hours battery life Long-lasting · Transparent capsule-like design · Bluetooth 5.3 · Smart digital display Specifications Material ABS,Plastic Weight[g] 45g Battery Capacity[mAh] 700mAh/2.59Wh Battery life up to[hours] 50 hours Maximum wireless range[m] 10m Sound Isolating YES Category Earphones Headphones Earcups Type Sealed Number Of Drivers 2 Charging Method Charging case Headphone Pads Material silicone Magnet Type Other Impedance Range from 33 to 100 ? Bluetooth Version 5.3 Package List User Manual,Charging case,Charging Cable,Replaceable Pads Set Codecs AAC,sbc With Microphone Yes Is wireless Yes Support APP Yes Support Memory Card No Line Length 0m Frequency Response Range 20 - 20000Hz Sensitivity 42dB Plug Type none Function for Video Game,Common Headphone,For Mobile Phone,HiFi Headphone,For Outdoor,For Office,For Study Active Noise-Cancellation Yes Volume Control No Control Button No Vocalism Principle Dynamic Wireless Type bluetooth Connectors Type c Communication True Wireless Style In-ear Certification CE,FCC,RoHS Origin Mainland China Brand Name BASEUS