Material: Aluminum. Earphone battery: 40 mAh. Power Bank Battery: 2000mAh.
Bluetooth Version: 4.1. Bluetooth Profile: A2DP/HFP/HSP/AVRCP.
Wireless Range: 32.8 ft. With Power Bank Function.
Polymer battery. Capacity: 2000mAh.
Input:5V 1A Output:5V 1A.
Talk/Play Time(on Earbuds): 120 min