I am an Chinese seller,providing customers with high-quality and low-cost products. The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on. We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans. Sincerely at your service .Thank you for shopping and have a nice day. Specifications: Earphone uses CVV6.0+DSP audio processing and dual noise reduction technology to allow earphone to make high-definition calls even in noisy environments. Built-in rotatable shaft, it can easily rotate 180 degrees, and can be adjusted according to your wearing habits. It uses bluetooth-compatible 5.0 professional chip, built-in high-resolution decoder has excellent performance, efficient and stable transmission characteristics, whether it is playing games or watching movies are very smooth. According to the ergonomic design, it is comfortable to wear, making it easy for the ears to feel free all day long, at the same time, the earphone buttons have a built-in touch sensor, which can control music and connect the phone with one touch, avoiding the pressing pain caused by traditional buttons. Multi-process rigorous design prevents rain and sweat from entering the inside of the earphone and damaging the original, and it can also accompany you to sweat profusely and exercise fearlessly on rainy days. Item Name: Earphone Material: ABS Bluetooth Version: 5.0 Support Protocol: for A2DP/AVRCP/HFP/HSP Transmission Distance: 10 Meters/33 Feet Distortion: a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a