A protective case system includes a protective case having a shell configured for receiving and removably retaining an electronic device. The protective case system also includes an accessory panel pivotably attached to the protective case, wherein the accessory panel is configured to pivot between a first position in which the accessory panel is positioned against a back surface of the protective case and a second position in which the accessory panel is configured to serve as a stand for the protective case. The protective case system also includes a device grip attached to the accessory panel.

An anti-loss rope and an anti-loss device are disclosed. The anti-loss device includes a storage box, a pair of wireless in-ear audio devices stored in a storage box, and an anti-loss rope connected to the wireless in-ear audio devices. The anti-loss rope includes a rope assembly and at least one connecting mechanism. The rope assembly includes a joint part, a holding loop and at least one connecting section. The joint part is located between the holding loop and the connecting section, and the connecting mechanism is located on one end of the connecting section away from the joint part. The connecting mechanism is connected to a wireless in-ear audio device. The holding loop wraps around an outside of the storage box; because a holding loop is disposed on the anti-loss rope for wrapping around the outside of the storage box.

A wearable pouch operable to hold at least one portable battery pack and other power or communications equipment. The wearable pouch includes a main body with a front side, a back side opposite the front side, at least one sealable opening, and at least one opening for at least one lead from the at least one portable battery pack secured within the wearable pouch.