Hi,my dear angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Neck Mounted Bluetooth Headphones Wireless Fitness Running Sports Music Earbuds With Long Battery Life And Intelligent noise reduction Supports T-Flash Playing Feature: Product type: Bluetooth Headphones Material: ABS Product color: Black,White,Pin-k,Khaki Packing size: 20x15x3cm/7.87x5.91x1.18in Gross weight:155g/0.34lb Bluetooth protocol: 5.3 Transmission distance:10m Card insertion playback: supports up to 32GB Interface: Upgrade TYPE-C fast charging Battery capacity:500mAh Water proof grade:IPx4 Applicable systems: iOS, Android, Windows Description:. 【The new Bluetooth 5.0 output is faster and more stable】The new generation of Bluetooth 5.3 chip reduces power consumption by 30% and improves stability by 40%. It enhances the call signal. No matter listening to music, making phone calls, or playing games, it can almost achieve no sensory delay, helping you accurately hear every sound. 【9D stereo HiFi sound effect】The earphone is equipped with a 14mm moving coil unit to make the sound field wider; Polymer diaphragm, powerful bass; High pitched extension and melodious. 【Structural design that fits human ear to upgrade listening experience】It has been greatly optimized in the wearing experience. It is more comfortable and firm to wear. It is equipped with advanced audio processing technology to bring beautiful and full sound quality and let you feel excellent hifi quality sound effects. 【Memory function, flexible bending】 The preferred material is close to the skin advanced grade liquid silica gel, which is used for the neck body with a metal anodized surface. It is flexible, comfortable, safe and reliable, highlighting the quality and design 【HD call, intelligent noise reduction】Dual channel wind proof cavity design with Bluetooth call noise reduction technology, greatly eliminating wind noise and other environmental noise, and coping with noisy environment. Package Included: 1xBluetooth Headphones 1xCharging line 1xInstructions Neck Mounted Bluetooth Headphones Wireless Fitness Running Sports Music Earbuds With Long Battery Life And Intelligent noise reduction Supports T-Flash Playing Feature: Product type: Bluetooth Headphones Material: ABS Product color: Black,White,Pin-k,Khaki