100% brand new and good quality Stylish in-ear design, more comfortable Built-in microphone, answer/reject calls conveniently Built-in rechargeable battery and will come with an USB cable for charging Support system: Android, IOS, Windows Connection Type: Bluetooth V4.0 Bluetooth profiles: Headset Hands-free A2DP Avrcp Operating distance: up to 10 meter Operation temperature: -10C to 50 C (-15F to 122 F) Standby time: up to 40 hrs Talk/Music time: 3-4 hrs Charging time: about 2 hrs Bluetooth Headset and USB cable only, no other accessories