Things In-Ear Wireless Headphones: CMF Buds Wireless Bluetooth Earbuds, 42dB Noise Cancelling Earbuds, Dirac HD Audio, 35.5H Playtime, BT5.3, IP54 Waterproof, 4HD Mics Wireless Headphones for iPhone & Android - White 42dB Active Noise Cancelling with Transparency Mode is available with a bandwidth of up to 2900Hz, which blocks out unwanted noise. For clear, sharp call performance, the external 4*HD microphones use Clear Voice Technology and detect background noise. It's the sle you prefer.