A waterproof bag is applicable to accommodating an electronic apparatus, and includes a bag body, a first and a second sound receiver, a first and a second sound generator, an acoustics module, and a connecting line. The first sound receiver is on an inner side of the bag body and is configured to receive an internal sound. The first sound generator is on an outer side of the bag body and is configured to play back the internal sound. The second sound receiver is on the outer side of the bag body and is configured to receive an external sound. The second sound generator is on the inner side of the bag body and is configured to play back the external sound. The acoustics module performs audio signal processing on the internal sound and the external sound. The electronic apparatus supplies power to the acoustics module through the connecting line.

A waterproof bag is applicable to accommodating an electronic apparatus, and includes a bag body, a first and a second sound receiver, a first and a second sound generator, an acoustics module, and a connecting line. The first sound receiver is on an inner side of the bag body and is configured to receive an internal sound. The first sound generator is on an outer side of the bag body and is configured to play back the internal sound. The second sound receiver is on the outer side of the bag body and is configured to receive an external sound. The second sound generator is on the inner side of the bag body and is configured to play back the external sound. The acoustics module performs audio signal processing on the internal sound and the external sound. The electronic apparatus supplies power to the acoustics module through the connecting line.

A portable tray includes a trough and a plurality of clamping assemblies. The plurality of clamping assemblies is symmetrically arranged on two sides of the trough. Thanks to the plurality of clamping assemblies, users can install the tray on an opening of an external object such as a beach bag or a handbag without additional tools. Therefore, it is convenient for users to carry the tray with easy installation and disassemble when they go out.

A portable tray includes a trough and a plurality of clamping assemblies. The plurality of clamping assemblies is symmetrically arranged on two sides of the trough. Thanks to the plurality of clamping assemblies, users can install the tray on an opening of an external object such as a beach bag or a handbag without additional tools. Therefore, it is convenient for users to carry the tray with easy installation and disassemble when they go out.

A bag is provided having a bag body, at least one handle attached to the bag body, and an upper trim defining an internal channel at an upper border of the bag body. At least one drawstring is then provided partially enclosed within the internal channel. The drawstring is configured to cinch the bag at the upper trim. When in a first duffle configuration, the bag at is uncinched at the upper trim and when in a second tote configuration, the bag is cinched at the upper trim.