An insulating device can include an aperture having a waterproof closure which allows access to the chamber within the insulating device. The closure can help prevent any fluid leakage into and out of the insulating device if the insulating device is overturned or in any configuration other than upright. The closure may also prevent any fluid from permeating into the chamber if the insulating device is exposed to precipitation, other fluid, or submersed under water. This construction results in an insulating chamber that is substantially impervious to water and other liquids when the closure is sealed.

A variety of improvements to portable electronic devices are disclosed, particularly electronic devices designed for use in and around water. The improvements include a more secure interface jack, improved waterproofing techniques, improved battery stability, and improved device functionality. One or more of the disclosed improvements may be incorporated into a variety of portable electronic devices.

A buoyancy dry bag includes an air valve unit, and first and second body parts that are connected to each other and that cooperatively define a receiving space. The first body part has a lining layer made of thermoplastic polyurethane, and an external layer structure having an inner layer disposed at an outer side of the lining layer and made of thermoplastic polyurethane, an outer layer contacting an outer surface of the inner layer and made of polyester, and a pattern layer contacting the outer layer. The first body part defines a first air chamber between the lining layer and the inner layer. The air valve unit includes a first air valve mounted to the external layer structure for injection of air into the first air chamber therethrough.

A buoyancy dry bag includes an air valve unit, and first and second body parts that are connected to each other and that cooperatively define a receiving space. The first body part has a lining layer made of thermoplastic polyurethane, and an external layer structure having an inner layer disposed at an outer side of the lining layer and made of thermoplastic polyurethane, an outer layer contacting an outer surface of the inner layer and made of polyester, and a pattern layer contacting the outer layer. The first body part defines a first air chamber between the lining layer and the inner layer. The air valve unit includes a first air valve mounted to the external layer structure for injection of air into the first air chamber therethrough.

The present application belongs to the technical field of cell phone accessories and relates to a waterproof bag for a cell phone, waterproof bag for a cell phone comprising a bag body, an airtight zipper, and a buoyancy enhancement component; wherein the bag body is provided with an opening, the airtight zipper is mounted to the opening, the buoyancy enhancement component is provided on the bag body to provide buoyancy for the waterproof bag for a cell phone, and the buoyancy enhancement component enables the waterproof bag for the cell phone and a medium-sized or large-sized cell phone in the bag to float on the water surface.

The present application belongs to the technical field of cell phone accessories and relates to a waterproof bag for a cell phone, waterproof bag for a cell phone comprising a bag body, an airtight zipper, and a buoyancy enhancement component; wherein the bag body is provided with an opening, the airtight zipper is mounted to the opening, the buoyancy enhancement component is provided on the bag body to provide buoyancy for the waterproof bag for a cell phone, and the buoyancy enhancement component enables the waterproof bag for the cell phone and a medium-sized or large-sized cell phone in the bag to float on the water surface.

A carrying case (20) is provided that includes a first portion (22) having a first inner surface (42) and a first outer surface (34). The carrying case also includes a second portion (24) having a second inner (58) surface, a second outer surface (36), and a pocket (68) located between the second inner surface and the second outer surface. An item located in the pocket can be viewed and manipulated from the second outer surface.

A carrying case (20) is provided that includes a first portion (22) having a first inner surface (42) and a first outer surface (34). The carrying case also includes a second portion (24) having a second inner (58) surface, a second outer surface (36), and a pocket (68) located between the second inner surface and the second outer surface. An item located in the pocket can be viewed and manipulated from the second outer surface.

A mobile device case is disclosed. The mobile device case includes a body portion and a bottom portion. One portion includes a gasket configured to sealingly contact both the body portion and the bottom portion. The body portion and the bottom portion include mating curved surfaces. The gasket is a curved gasket that mates with the curved surfaces of the body portion and the bottom portion. The body portion and the bottom portion include a connection arrangement configured to releasably connect the body portion to the bottom portion. The connecting arrangement includes at least a first locking arrangement disposed in part on the first side of the body portion and the first side of the bottom portion.

A mobile device case is disclosed. The mobile device case includes a body portion and a bottom portion. One portion includes a gasket configured to sealingly contact both the body portion and the bottom portion. The body portion and the bottom portion include mating curved surfaces. The gasket is a curved gasket that mates with the curved surfaces of the body portion and the bottom portion. The body portion and the bottom portion include a connection arrangement configured to releasably connect the body portion to the bottom portion. The connecting arrangement includes at least a first locking arrangement disposed in part on the first side of the body portion and the first side of the bottom portion.