Taousa 70296 Aiyovi 13000mah Power Bank and Bluetooth 4.0 + EDR Headset, 2 in 1 Travel Charger, Retail Packaging, Color White Includes 1x 13000mAh power bank with stereo smart bluetooth headset. Bluetooth 4.0. EDR, Further, Clearer, Power Saving. Support connection to two bluetooth devices at the same time. Smart LCD Display, Touching Switch. Bluetooth Spec: 4.0, Frequency range: 2.4GHz-2.48GHz, Bluetooth RF Range: &gt;10m, Standby time: &gt;120h, Frequency response: 20Hz-20kHz, Input: DC 5V 1.5A, Output: DC 5V 3A. Electric energy conversion &gt;90%, Charging efficiency &gt;95%, reduce your charging time. All-round Security Protection, Overcharge Protection, Over Discharge Protection, Overload Protection, Over-current Protection, Electrode Reverse Protection, Power Protection, Shortcut Protection. Taousa is a registered trademark owned by Taousa LLC. Unauthorized sellers are not allowed to list their products under this listing.