The good: Great sound! As expected from Sennheiser. The bad: This is my second set of these after a faulty charging light on the first pair refused to turn off. Unfortunately my new pair do not have a functioning charging light at all, have a terrible battery life in comparison to similar products...

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 ended up returning two pairs of these. The first pair developed a fault and the replacement also developed a fault. Customer service from John Lewis has been excellent with replacement and then a refund issued without quibble. However, I can't recommend these because they are simply unreliable.

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.

Good brand , good quality

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.

Really good, clear, bassy sound. They're easy to connect to your phone and are really comfortable to wear.

Sennheiser has succeeded with the CX 6.00 BT in delivering big results in a compact package. The in-ears sonic enhancements are certainly impressive, providing powerful sound that's incredibly rich and detailed.

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 base is great, good on the motor bike fits into your ears