Fast and reactive Fast and reactive. Can't tell the difference between this and a wired mouse. In fact, adjust sensitivity settings. Love it!

The best products ever, with great support! I had the ability to speak with someone on gravastars team about concerns I had and they reached out within 20 minutes I mean fast. It was awesome they were very kind helpful and helped me track my package with ease. Plus I love my speaker it loud awesome and gets lots of compliments and my little delta 35 charger is so cute and charges everything quickly and doesn't make my phone or my gravastar ear buds hot and feel like it's on fire. :) forever a gravastar customer <3

Great communication Great communication, was updated step by step the progress of my order. The item itself was really, really cool. Whoever designed and built these earbuds really outdid themselves. I am very knowledgeable in electronics and I was really impressed.

For starters it was very easy to… For starters it was very easy to navigate the website I was able to find what I was lowkeybdor at an affordable price with great material. I had an issue after receiving my items and let’s just say they did an excellent job in helping me with resolving my issue and I will definitely be returning for more products! Highly grateful for a company who is attentive!

Customerservice have been great Customerservice have been great, I have bought 3 of their products and is happy with them all. Latest their gaming mouse and can only recomend this company and products.