The Kinivo BTE40 Bluetooth In-Ear Headset is designed provide high quality audio wirelessly from Bluetooth capable devices. Transform your speaker system into a Bluetooth sound system with the BTE40 3.5mm audio output port. The BTE40 Bluetooth In-Ear Headset is ideal for listening to music wirelessly on the go from your phone or music plyer. Key Features-Multi-point: Connect up to two devices simultaneously without interruption - Check battery status on your Apple device in the iOS notification bar - Bluetooth enable any regular earphones or headphones: The BTE40's output headphones jack allows you to connect any 3.5mm speaker system or headphones to the BTE40. Enable Bluetooth capabilities in your headphones and speaker system - Low profile look: Bluetooth sets you free. Extra ear buds help you find a snug and secure fit.- Rechargeable Battery: Integrated rechargeable lithium-ion battery provides up to 5 hours of uninterrupted talk time and music playback or 200 hours in the standby mode- Hands-Free Calling:It has a built-in noise canceling Microphone. Music will automatically pause when you receive an incoming call - Media Controls: Control your music player directly from the headset with functions such as play, pause, next & previous track, and change volume - Seamlessly stream music from almost any Bluetooth (A2DP) capable device Device Compatibility- Supports all Bluetooth A2DP, HSP/HFP, and AVRCP capable devices- All iPhones and iPads- Android smartphones - HTC, All Droids, Samsung- Blackberry smartphones - Tablets such as the Galaxy Nexus, Nexus 7 What's in the Box- Kinivo BTE40 Headset- 3.5mm In-Ear Headphones / Earphones- Two 3.5mm Audio Cables- Micro USB Charging Cable- User Manual . The Kinivo BTE40 is backed by a 1 year warranty. Please contact us if you have any questions.