UNIVERSAL MOPHIE POWER BANK/BLUETOOTH COMBO HEADSET High-quality Bluetooth headset is great for phone calls in the vehicle or on-the-go. Finally, No more dead battery thanks to the included charging station keeps the headset charged up for 30 hours of talk time. Intelligent power-saver technology ensures the headset battery life is always optimized. Wind shielding and Dual microphones with DSP noise-cancellation technology allow it to perform reliably under all conditions. Simply click on the call button to activate Siri or other phone voice applications or use the Built-in speech commands. Stream Music High-quality Bluetooth headset with Charging Station (900 mAh Battery Capacity) Intelligent Power-Saver Technology: Auto Standby & Auto Charge - 30h of Talk Time and 30 days of Standby Time Dual Headset Microphones with DSP Noise-Cancellation Technology Hands-free speech recognition commands with One click to activate Siri or other Phone voice applications