Edifier TWS NB2 Pro Wireless Bluetooth Earphone Noise Cancellation - Black. Features: Hybrid Noise Cancellation including 2-way MICs Get rid of the traditional acoustic structure and welcome the upgraded panoramic 3D technology Quick Ambient Mode for hearing any voices from the external environment Single as well as dual-ear modes for a quick switch In-ear detection to pause your song once you have taken earbuds out Colour: Black Bluetooth version: V5.0 Effective distance: 10m Playback Time: Noise-cancellation on: 7+18h Noise-cancellation off: 9+23h Input: 5V 60mA (Earbuds) / 5V 1A (Charging case) Frequency response: 20Hz-20KHz Sound pressure level: 94 3dB Impedance: 24 Weight: 54 g
