Material: Plastic Maximum wireless range[m]:<10m Sound Isolating”YES Number Of Drivers:2 Charging Method:cable Headphone Pads Material:Silicone Bluetooth Version:5.3 Features:With Microphone,Amazon Alexa Support,Apple Siri Support,Active Noice Cancelling With Microphone:Yes Is wireless:Yes Support APP:Yes Support Memory Card:No Waterproof:Yes Plug Type:NONE Function:Monitor Headphone,for Video Game,Common Headphone,HiFi Headphone,Sport,Kids’ Headphones,For Hearing Aid,For Outdoor,For Swimming,For Office,For Sleep,For DJ,For Study Active Noise-Cancellation:Yes Volume Control:Yes Control Button: No Connectors:Type c Communication:WireLess