Sennheiser MM450-X is the flagship product of Sennheiser's Bluetooth noise reduction headset. A large number of metal materials are used to make the texture and stability quite good. It supports A2DP and Bluetooth 2.1, as well as NoiseGard 2.0 technology, which claims to be able to reduce external noise by 90%.
Sennheiser MM450-X has a historical low price of 261.75 US dollars, about 1600 yuan, and a price of 1700 yuan. The price of domestic goods is 3000~3600, so the price advantage is very obvious!