Xiaomi Wireless Bluetooth Headset X31 Bluetooth Headset Power Earbud Digital Display Stereo Headset Is Suitable for All Smart Phones.

High-concerned chemical : None Material : ABS,Plastic Weight[g] : 50 Battery Capacity[mAh] : 1000 Voice assistant built-in : Yes NFC Technology : Yes Sound Isolating : Yes Category : Earphones & Headphones Max Output : 1mW Number Of Drivers : 2 Charging Method : Charging case Headphone Pads Material : Other Magnet Type : Other Driver Diameter : 20mm Total Harmonic Distortion : 1% Impedance Range : up to 32 Ω Bluetooth Version : 5.3 Package List : User Manual,Charging case,USB Type-C Adapter Features : With microphone,Active Noice Cancelling Codecs : AAC With Microphone : Yes Is wireless : Yes Support APP : Yes Waterproof : Yes Sensitivity : 123(123)dB Plug Type : NONE Function : for Video Game,HiFi Headphone,Sport,For Outdoor Active Noise-Cancellation : Yes Volume Control : Yes Control Button : Yes Vocalism Principle : Other Wireless Type : Bluetooth Connectors : Type c Communication : WireLess Style : Wireless headphone & headset Certification : CE Origin : Mainland China Brand Name : BEIQIU Resistance : 32(32) Support Memory Card : Yes

Bluetooth version: 5.0 Earphone Type: In ear Playback Control: Yes Waterproof: yes Microphone: yes Noise Reduction: Passive