Following on from the HD 238 headphones comes two new pairs of luxury headphones from Sennheiser.
Both the MM 400 and MM 450 Travel feature the latest Bluetooth technology so you’re free to listen to your music without getting tied up in wires. Bluetooth 2.1 with A2DP guarantees optimized hi-fi quality stereo sound. There’s also a removable cable and airline adapter, for times when you want to hook up to a standard or airplane audio output, plus a built-in microphone for use with mobile phones.