Tenergy Bluetooth Beanie with Pom-Pom, Built-in Headset Type: Bluetooth Headset Talk Time: Up to 6 hour(s) Music Time: Up to 6 hour(s) Standby Time: Up to 60 hours Charge Time: 2.5 hours Operating Range: 33 Feet Bluetooth Version: 4.1 Battery: LiPO 3.7V 130mAh