Adjustable Ear Adaptors: Yes. Bass Boost: No. Brand: Philips. Colour: Black. Earphone Type: Overhead. Features of Product: 32 mm speaker driver the 32 mm speaker driver is a compact yet powerful element for delivering non distorted sound with any given input power. 3 Way adjustable ear shells enjoy a comfortable fit and experience better bass performance thanks to the 3 way adjustable ear shells that fit naturally around your ears. 2 Transmission channels with a choice of two transmission channels your listening pleasure is protected because you can easily switch to the one with the best reception. Headphones: List. Length of Cable: Wireless. mm Driver: Yes. Noise Canceling: No. Product Depth: 28.4 cm. Product Height: 21.4 cm. Product Width: 10.5 cm.