Geeko Single Bluetooth Wireless EarBuds with Microphone - Bluetooth V4.1+EDR, Built-in 60mAh Rechargeable lithium Polymer battery, Talk time: Up to 2 hours, Music Playing time up to 3 Hours, Changing Time: 1-2 Hours, Standby time: 40 hours, Compatible with all Bluetooth-enabled devices, such as iPhone, iPad, Samsung, LG, Nokia, HTC, Tablets - Gold, Retail Box , 1 year Limited Warranty