The base is not very good. This caused a little trouble for me as my mobile phone does not allow me to set the sound settings (equalizer) when I run the headset via Bluetooth - I couldn't make the sound so much better.

Like every pair of sennheiser earphones I have owned, these are great until one of the earbuds stops working for no apparent reason. Perhaps I am clumsy or just unlucky, or possibly this is a common point of failure with this brand.

The Sennheiser CX 6.00BT impressed us with their inconspicuous earbud design, light weight, good build quality, and decent feature set. Audio quality is good too, but the slightly shrill highs are when you bump the volume up can get fatiguing very quickly.

Light and well-built; Strong bass with detailed mid-range; Two active connections possible; Inconspicuous design

Sub-par battery life; Highs sound shrill at high volumes; No bundled travel pouch

Sennheiser CX 6.00 BT is the latest in-ear wireless earphone from the German audio major and seems aimed at those who lead an active lifestyle, but not at the cost of their love for music. The Sennheiser CX 6.00 BT sports a neckband design that is gaining currency across all price points now.

The Sennheiser CX 6.00BT is a definite step up in sound quality from the headphones that come with any portable device I have ever purchased. The improved sound quality and comfort make the CX 6.00BT easy to recommend.

Sennheiser has long held a pedigree for enabling people to bob their heads to great sound. Straddling the line between audiophiles and more casual listeners, the company aims to appeal to a wide range of listeners while maintaining a high standard of audio quality, and are always worth a listen.

Lightweight design; Good for all genres; Good price

CapTune support limited; No pouch or case included; Battery life on the short side

These are great, battery life is good and sound cancelling great when I'm working with equipment. Sound is pretty good too.

I have bought lots of Sennheiser plug-ins for me, friends and family. These affordable Bluetooth in-ear headphones are right up to Sennheiser's very high standards. Recommend you buy.

Only had these a short while but very impressed up to now. Good sound quality and no Bluetooth connection issues unlike others I've tried where the sound in the right earbud regularly dropped out. Using a cable to connect the two clearly works.

I was recently at a Christmas party when I asked my friend who oversaw the equipment whether I could play some music over the speaker system. "Of course," my friend replied. "It is all yours after this song.