New 4.1 True Wireless Mini Bluetooth Headphones

Item Type: Wireless Headset Support APP:No  Line Length:None  Active Noise-Cancellation:No  Communication:Wireless  Support Apt-x:No  Connectors:None  Vocalism Principle:Dynamic  Is wireless:Yes  Support Memory Card:Yes  Style:In-Ear Plug Type:Wireless  Frequency Response Range:20-20000Hz  Volume Control:No  Control Button:Yes  Microphone:Yes  Resistance:32Ω  Sensitivity:120±3dB  Wireless Type:Bluetooth  Color:Black  Weight:116g  Bluetooth Version:Bluetooth 4.1  Battery Capacity:260mAh  Talk Time:About 24Hours  Music Time:About 18Hours  Charge Time:About 3Hours