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Both the earphone and the player were tested to comply with IPx7 international water resistant standard. The earpieces are attached with a soft silicon earplug that fits snugly in the ears. The earplugs not only keep the earphones dry but also prevent the earphones from coming loose during vigorous activities.
The design concept was to create a portable music device that could be worn by swimmers and other water sport athletes while keeping the impact on their athletic performance to minimum.
The NU design team came up with this ultra light weight, ultra compact player that weighs 25g with a dimension of 60 x 20 x 20mm. Its cylindrical-shaped casing features a minimalist outlook with all control buttons located on one side, and the headphone jack on the other side. The earphone attaches to the player via a special screw-in jack to keep the device water-tight.
Operating time for the NU Dolphin is roughly eight hours when fully charged. Recharging time is about 1.5 hours. Recharging (and file downloading) can be done via USB port.
