2 to 5 business days
This product is specially designed to match the shape of your head. Therefore it will feel comfortable and stay in place while doing sports. With its fashionable appearance and built-in MP3 player with HiFi earphones (sound output up till 85dB ), you can always enjoy high-quality music. When the built-in Lithium battery fully charged, it can play music for about 2- 4 hours. it also supports micro SD card functions up to 32Gb plugged into an inbuilt TF port.
