B012GAFCHC Based on the original design . The New Upgrade bluetooth earphone has made great improved. We are committed to creating the best Bluetooth earphone. High quality and great sound. Latest Bluetooth 4.0 APT-X audio codec Technology. Provide high-fidelity stereo music and Crystal clear sound. Super HD sounds close to Sony. Just say "Yes" or "No" to pick or reject call. Combine with Voice control function, such as Siri Control . Realize the true meaning of handfree. Extremely convenience for your life, enjoy high-tech experience. Super User-friendly design ,Sweat-proof, Durable. Provide 2 colors and 3 sizes of the ear pieces to offer the best suitable for you. We provide 45 days money back and 2 month free exchange for this New version G5. We believe you will be satisfied with it.