The design of the philips 4000 series headphones is black with a price that is suitable for the wallet of students/students/office workers…Headphones are widely used and popular thanks to their lightweight and comfortable design long time.
If you have used bluetooth headsets before and are concerned about the signal, then this philips 4000 series connects quite well with other smart devices without any hindrance or difficulty. It also works well in incoming calls, making communication smooth and easy.
If you’re looking for the best vintage headphones with high fidelity, the philips headphones 4000 series definitely do the trick. Battery life is at 9h, we expect them to be able to improve at higher levels. Anyway, this length is reasonable to use for a full working day.
Although the design is not the most durable, it is easy to use. Even elderly people who rarely use technology can still use this headset simply.