Product Details : Wireless Type : Bluetooth Battery built in : 200mAh – rechargeable Speaker diameter : 40MM Sensitivity : 110±3dB Vocalism Principle : Dynamic Control Button : Yes Volume Control : Yes Active Noise-Cancellation : Yes Plug Type : Line Type Resistance : 32Ω Frequency Response Range : 20-20000Hz Rainproof : Yes Stable connection, extendable, foldable and portable Wireless headset Soul-strong bass Superior stereo sound Completely immersed in the music world Comfortable and Durable Adjustable as need Advanced V5.0 Technology Led Light Transmission range 10M Charging Hours 15hours 200mAh rechargeable lithium battery
