The 1More SonoFlow are headphones that feature QuietMax noise-cancelling technology, a portable design that folds up and stores in a case, and the dual ability to connect via Bluetooth and/or cable. Features: 40mm DLC dynamic drivers: - The new 1More SonoFlow’s 40mm DLC dynamic driver produces rhythmic bass, smooth mids and crisp, defined highs, while offering a frequency response of up to 40kHz. All while featuring QuietMax technology with ANC active noise cancellation so you can hear only the music. 12 equalizer settings and 5 microphones: - In order to use the active noise cancellation ANC, the new 1More headphones have 5 built-in microphones. In addition, this model allows you to make calls. And with the use of the 1More APP, you can equalize the sound in up to 12 custom settings. Up to 70 hours of autonomy: - The 1MORE SonoFlow offers up to 70 hours of battery life on a single charge. If you’re in a hurry, charge for 5 minutes for an extra 5 hours of music, or connect them via a 2.5mm audio cable . Specifications: Sound: - Impedance: 32 Ω - Frequency range: 2.400 GHz – 2.4835 GHz - Input: 5V = 1.1A - 5 built-in microphones Wireless connection: - Connectivity: Bluetooth 5.0 + Audio Cable - Bluetooth range: 10 meters - Bluetooth Protocol: HFP / A2DP / AVRCP Battery: - Capacity: 720 mAh - Autonomy (ANC deactivated): 70 hours - Autonomy (ANC activated): 50 hours - Charging time: 80 minutes - Dimensions: 170 x 192 x 82 mm - Weight: 250 g Package Contents: - 1 x 1MORE SonoFlow - 1 x Charging Cable - 1 x 3.5mm to 2.5mm Audio Cable - 1 x Carrying bag - 1 x User Manual