Unique Foldable Design: Foldable Design Provides Extra Flexibility Portability and Durability. Convenient to Carry in Your Bag for Daily Use and for Travel</br>Retractable Earbuds: This Amazing Design Provides a Simple Unique Approach to Cord Management. This Bluetooth Headphone Allows You to Leave Your Phone and Leave Your Hands Free but Not Miss Any Call</br>Battery Life: Standby Time up to 300 Hours Music Time up to 16 Hours and Talking Time 18 Hours. With Every about 3.5 Hours Charging You Can Just Enjoy Your Wireless Sport/music Time Without Any Worry</br>Vibration and Voice Prompt: When There's Coming Call This Bluetooth Headset Will Remind You with Vibration. Will Never Miss Any Phone Call When You Are Doing Exercise or Even in a Noisy Place</br>Bluetooth 4.1 and Fast Connection: Pairing Is Just Easy and Quick with a Simple Switch Button. Compatible with: Iphone Series Ipad Series Samsung Series Android and Any Bluetooth Enabled Device</br></br>Product Description</br></br>Dylan Bluetooth headsets/Bluetooth headphones/Bluetooth earphones/Bluetooth ear buds specification: Bluetooth: 4.1 working distance: 10m charging time: 3.5 hours talk time: 18 hours music time: 16 hours standby time: 300 hours amazing battery life standby time up to 300 hours?? music time up to 16 hours and talki