Description Color:Blue Bluetooth 5.0 technology: The advanced Bluetooth 5.0 technology provides reliable signals and connections to make it easy to connect in-ear headphones to your phone, enable more stable and fast signal transmission, supports connection distance up to 10m , can be used at home or in the office, and supports all types of bluetooth mobile devices. You are welcome to enjoy high quality wireless music. - Stereo surround sound The intelligent noise canceling function of the bluetooth headphones uses CVC noise canceling technology. This technology is used for intelligent filtering to reduce wind noise and ambient noise. HD stereo sound with deep bass and crystal clear highs. The headphones with microphone allow you to answer the phone directly. - The charging box has an additional USB port, you can charge your phone or another mobile device. The headset can be fully charged in just an hour and offers 3.5 hours of music and talk time as well. - Safe Fit: The wireless headphones are equipped with a sweat-proof performance, can minimize the damage to the headphones by sweat during exercise. - The headphones are very comfortable and are worn firmly come with three different sizes of soft silicone earplugs (S, M, L) equipped. The three-point support design of the earbuds makes it safer to wear. Fits your ears perfectly. package:1*Wireless Headphones