These are an excellent pair of earphones. They're well made, very well packaged, have some good extras, and sound great as well.
Starting with the packaging, they come in a very sturdy, premium box with a magnetic fastening flap. You'd think you were getting some headphones that cost double the price of these when you first see the box. Inside is a cardboard and foam insert which holds the earphones very securely, and underneath that is a cloth bag holding spare earphone tips of varying sizes, an instruction booklet, car charger, and a micro USB charging lead. For the price you're paying for these you get a good amount of extras with them.
The earphones themselves are very good. They're easy to connect to your phone by Bluetooth, made of good quality plastic with silicone ear tips that are very comfortable to wear, they look good, and they sound superb with either music or when taking calls. Some of the sound clarity does suffer a little if you turn your music up too high but if you keep it at a sensible level then they sound very good indeed. They take around two hours to charge when first taking them out of the box and the battery lasts for around 6 hours when listening to music.
On top of the different sized ear tips to suit anyone who purchases these, they also have noise cancelling technology, meaning that when you've got your music playing you won't hear anything that's happening around you. People sitting near you won't hear your music either unless you've got them turned up to the point that the sound begins to be distorted anyway. The only thing I would say about the noise cancelling is that if you're going to be wearing these whilst running or cycling be careful to be aware of your surroundings, as it really does cut out the outside noise extremely well and could be dangerous if you can't hear the traffic around you. These are also sweat and rain proof but they are not waterproof, so don't go wearing them in the swimming pool!
When it comes to their range, it's decent enough. The manufacturer says it's around 10 metres which seems about right to me. They cut out briefly once or twice when I left my phone in one room whilst walking around my flat, but they're fine if keeping your phone in your pocket, a phone holder on your arm, in a handbag, or a bumbag whilst running.
I think these are an excellent set of earphones for the price and would happily recommend them to anyone thinking of buying a new set in the near future.