Specifications :Driver Magnet: 40mmFrequency Range: 20 -20,000 HzImpedance: 24OhmSensitivity: 96dBConnectivity Bluetooth V4.1SUPPORTED PROFILES: HFP,HSP,A2DP,AVRCPWeight: 0.274kgColor: BlackEdifier W830BT Bluetooth HeadsetEdifier W830BT Foldable Bluetooth Headphone Comes With 40mm Drivers Produces Rich Deep Bass, Bluetooth V4.1 AptX Codec NFC Tech With 95 Hours Of Playback With Foldable Extra-Soft Earpads. This Headphone Is Configure It Bass Booming Sound Which Equates Well With Genres Such As EDM, Jazz, Hip Hop, And Many Great Genres That Take Advantage Of A Great Bass Sound. These Exclusive Wireless Headphones Have Good Highs And Great Lows. This Headphone Enriches Your Tunes Giving Audiophiles The Warm Exciting Feeling. In This Headphone, The Earcups Are Made With Extra Soft Earpads That Feel Like A Pillow Resting On Your Head. Edifier’s W830BT Bluetooth Wireless Headphones Produce A Lightweight Ergonomic Design Covered With A Synthetic Leather, Ensuring A Comfortable Wearing Experience. This Headphone Is Designed With Bluetooth V4.1 AptX Codec. Lossless Wireless Audio Is Available At Your Fingertips With Access To 95 Hours Of Audio Playback On A Full Charge And 1500 Hours On Standby. The W830BT New Headphone Wireless Headphones Feature The Latest Bluetooth Technology For High-Quality Streaming. You Connect To Up To 2 Devices At The Same Time And Quick Connect With NFC Pairing. These Headphone Are Made With An Incredibly Durable Headband. Here The Stainless Steel In The Headband Is A Flexible Steel That Can Handle Any Amount Of Stress Placed Under It. The Durability, Functionality, And Hi-Tech Design Of The W830BT Bluetooth Headphones Are An Audiophiles Ideal Set Up. The Exclusive W830BT Bluetooth Headphones Are Designed To Rotate 90 Degrees To Lay Flat Or You Can Fold In The Earcups Themselves To Make Them More Compact. This New Headphone Comes With 01 Year Warranty...