The 1MORE SonoFlow SE are Bluetooth headphones with a headband that incorporates 40 mm dynamic DLC drivers, which will provide a deep, clear sound with great depth. All this with QuietMax hybrid noise cancellation technology and the use of artificial intelligence to maintain telephone conversations. Features: DLC drivers and PET diaphragm: - The 1MORE SonoFlow SE features DLC diaphragm drivers and a flexible PET diaphragm . The former provides detailed sound with good clarity, while the latter ensures powerful bass. Noise reduction and transparency mode: - The new 1MORE SonoFlow SE features advanced noise cancellation. This technology reduces background noise to allow you to concentrate on the audio. However, if you want to be in touch with your surroundings and hear what´s going on around you, you can also use its Transparency mode . With its artificial intelligence, you can have clear conversations in multiple situations. 12 equalizers: - If you use these new bluetooth headphones with the 1MORE Music APP , you will get 12 equalizer settings including: Hip-Hop, Acoustic, Podcast, Electronic, Default Mode, Classic, Pop, Voice Amplifier, Deep, Bass Booster, Lounge and Bass Reducer. Up to 70 hours of use: - The new SonoFlow SE have up to 70 hours of playback without ANC activated and up to 50 hours with it activated. With its fast charge, you will get another 5 hours with just 5 minutes of charging. And the full charge time is only 80 minutes. Ease of use: - You can wear these headphones for hours, since the earmuffs are made of preothetic leather and the adjustable padded headband adapts to the shape of your head. And they weigh only 240 grams so you can wear them for hours without getting tired. They allow you to control them with their buttons to, among other things, turn them on, off, answer calls or adjust the volume level. Specifications: Sound: - Transducers: 40 mm DLC dynamic + PET pattern - Impedance: 32 ohm - Microphone - QuietMax Hybrid Noise Cancellation with AI Connectivity: - Connectivity: Bluetooth 5.0 + Audio Cable - Bluetooth range: 10 meters - Bluetooth Protocol: HFP / A2DP / AVRCP - Frequency range: 2.400 GHz – 2.4835 GHz Characteristics: - Transparency Mode - APP 1More: 12 equalizers - Control buttons Battery: - Capacity: 720 mAh - Autonomy (ANC off): 70 hours - Autonomy (ANC activated): 50 hours - Charging time: 80 minutes - Input: 5V = 1.1A Design parameters: - Dimensions: 170 x 192 x 82 mm - Weight: 240 g Package Contents: - 1 x 1MORE SonoFlow SE Black - 1 x Charging Cable - 1 x 3.5mm to 2.5mm Audio Cable - 1 x User Manual