Drumstone Plastic and Metal Panda Monocular Night Vision Telescope with i7 Single Stereo Bluetooth Earbud Earphone for smartphones This is the type of monocular that is designed for traving, hiking, hunting, camping, bird and nature watching or concerts. You will see more clear world by using it. So just enjoy it. Features: the optics provide image. Suitable for travel, vacation, walking, hiking, sports enjoy beautiful nature, view birds, watch sorts, general purpose. Durable, material is also suitable for harsh environments. Works well in low light multi coated optics light transmission and brightness this product have focus capability single hand operation powerful, ultra-compact and ultra-lightweight objective lens: the diameter of the objective or front lens. The larger the objective lens, the more light that enters the binocular, and the brighter the image day night vision.it will help you see things in low light, it doesn't help you see things in the dark. (Can't be used at night!). With bluetooth i7 headset with mic listening to the song correct, support songs and call,remind call number, the last call back, all intelligent chinese and english voice prompts, boot, pair, shut down the phone power will be low voice prompts; power capacity will show on your smartphones, you can see the power situation anytime, do not worry about the electricity,make your life without worry;one to two connections, can be connected to two mobile phones at the same time bluetooth headset connected to the phone after the shutdown, and then open the bluetooth headset will connect back to the phone automatically, more convenient; intelligent compatibility: support all bluetooth mobile phone, tablet, notebook, singing it, qq music, movies. Specification driver: 15mm impedance: 32 ohm bluetooth version: v4.1 bluetooth + edr bluetooth bandwidth usage: 2.4 ghz level of power: class ii output power: 30 mw bluetooth distance: 10 m without barriers.