Product Description Frequent flryer's delight Great comfortable Upgraded Soft Ear Cushions for Comfort with The professional protein earpad and 90 swivelling earcups, the Skin texture, lightweight comfortable around-ear fit you can wear all day long. Gentle Reminder: in hot summer, please take off the headphone every 1-2 hrs to get your ears relax, in order to get better hearing enjoyment, and keep the head comfortable. COWIN E7 PRO [Upgraded] Active Noise Cancelling Bluetooth Headphones Lose noise, lose wires, lose yourself in the music. The COWIN E7 Noise Cancelling Headphones have satisfied hundreds of thousands of consumers with the great sound quality, deep powerful bass, comfortable protein ear pads, long playtime, and advanced active noise cancelling technology. We present to you the Upgraded headphones we have to offer, the COWIN E7 PRO ANC Wireless Headphones. Great noise cancellation for travel, busy office and anywhere in between (Noise Reduction Depth: 30dB) 45mm large-aperture drivers give you crisp, powerful and quiet sound. (S/N: ?85dB) Upgraded Soft Ear Cushions: comfortable around-ear fit you can wear all day long. Stable Battery Life: A built-in 800mAh battery supports 30 hour playtime. Higher-quality Built-in Microphone and Bluetooth Lose noise and lose wires Lose noise Our Active Noise Cancelling (ANC) mainly focus on cancelling out lower frequency sounds like engines, aviation environment, trains, traffic noise etc, so our valuable customers can focus on their music, movies, or books without being disturbed by outside noises. ANC does not cancel out noises like snoring, talking, music or high frequency sounds etc. Lose wires Hassle-free wireless is simpler than ever: Bluetooth connections are quick and easy. Get rid of the wire bonds, but without compromising sound quality. Only you and music, pure and free. Work from home Working from home made easier with noise cancellation and comfort. Answer the call, volume, ANC on/off, tuning control located on the headphones. Awesome Music and Long-time Comfort Awesome Music Precise guitars, clear vocals, clean bass and crisp percussion. Discover sound quality that brings out the best in your music—including subtle details you may never have noticed. Long playtime 30+hour playtime per full charge at Bluetooth mode or ANC mode. A built-in 800mAh battery won't allow your headphones power off, you can enjoy your world without noise for 30+hours' long time. Great choice for your family Great gift for your family. You can buy it for yourself and your family, or friends as the nice gifts, help them away from the noise and enjoy music. COWIN E7 PRO Active Noise Cancelling Bluetooth Headphones COWIN E7 Active Noise Cancelling Bluetooth Headphones COWIN E8 Active Noise Cancelling Bluetooth Headphones COWIN SE7 Active Noise Cancelling Bluetooth Headphones COWIN KY02 Wireless Earbuds with Microphone COWIN E9 Active Noise Cancelling Bluetooth Headphones Release Date 1/01/2018 12/26/2015 6/01/2018 1/01/2019 3/01/2019 9/01/2019 Active Noise Cancellation ? ? ? ? ? Noise Reduction Depth 30 dB 28 dB 32 dB 32 dB 33 dB Bluetooth V 4.0 V 4.0 NFC V 4.0 V 5.0 V 5.0 V 5.0 Sound 45mm large-aperture drivers(S/N: ?85dB) 40mm large-aperture drivers(S/N: ?85dB) 45mm large-aperture drivers(S/N: ?100dB) 40mm drivers (S/N: ?90dB) 6mm large-aperture drivers (S/N: ?95dB) 40mm drivers (S/N: ?100dB Playtime 30 Hours 30 Hours 20 Hours 30 Hours 36 Hours 30 Hours Function spec Bluetooth, Microphone, AUX, Active Noise Cancelling Bluetooth, Microphone, AUX, Active Noise Cancelling Bluetooth, Microphone, AUX, Active Noise Cancelling Bluetooth 5.0, Microphone, AUX, Active Noise Cancelling Bluetooth 5.0, Microphone, Touch Control Bluetooth 5.0, AAC Audio Codecs, Microphone, AUX, Active Noise Cancelling Additional Features Comfortable Over-ear, Hi-Fi stereo, Deep Bass, Lightweight Comfortable Over-ear, Hi-Fi stereo, Deep Bass, Lightweight Comfortable Over-ear, Hi-Fi stereo, Deep Bass Foldable Design, Comfortable Over-ear, Hi-Fi stereo, Deep Bass, Lightweight True Wireless, Comfortable In-ear, Hi-Fi Stereo, Deep Bass, Lightweight, IPX5 Foldable Design, Comfortable Over-ear, Hi-Fi stereo, Deep Bass, Lightweight