Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.

The delivery time is usually 7-10 business days. Since the shipping address is in the US and Hong Kong, China, if the shipping address is in the US or China, the delivery time is 3-4 days.

Air conduction headphones use the ear canal and eardrum to transmit sound, while bone conduction headphones bypass the eardrum and transmit vibrations through the bones of the skull to the inner ear. 

Air conduction headphones generally offer superior sound quality while bone conduction headphone could provide a safer environment when used outdoors, and maybe ideal for those with sensitive ears. 

Yes, the Nank Runner Air headphones can be used to make and receive phone calls. It has clear audio with dual noise canceling microphones for making and answering phone calls when paired with a smartphone or other Bluetooth-enabled device.

Yes, the Nank Runner Air headphones can be worn with a protective helmet. Their open-ear, air conduction design and lightweight neckband allow them to fit comfortably under most helmets without interfering with helmet straps or padding. This makes them suitable for activities like cycling, skateboarding, or commuting where helmet use is essential.

Yes, they are sweat and moisture resistant, featuring an IPX5 waterproof rating. This means they can withstand sweat and light splashes of water, making them suitable for workouts, running, and other activities where you might perspire or encounter light rain.