A new definition audio for HD unprecedented quality. Dynamic frequency response without ear fatigue.

Helmet embeds a memory of 4 GB which can store about 1,000 titles, 100% waterproof for optimal use in pool suitable for all body types with its rigid headband ensures excellent holding in any position Ease of use: The easiest to put on the ears. The helmet does not move during exercise. In addition, you transfer your songs from your library by connecting the RS4 + to your computer, no software, just with a "click / move" quickly and your RS4 + is loaded with music.

Easy navigation for reading files. You can create a different playlist for each folder, for example. Enable / disable the Intelligent Shuffle (shuffle between folders) A new electronics allows you to enjoy audio messages assistance functions (battery status, activation shuffle, play / pause, next / directory above) Plug in 5 minutes and go with 1h back-up if you're in a hurry!

Technical characteristics

Frequency response 20Hz-20KHz
SNR 85db
USB port USB 2.0
Weight 22 grams
Output level of 100dB max.
Memory 4GB
Usage limits -5 ° C ~ 40 ° C (41 ° F ~ 104 ° F)
Formatting FAT16, FAT32
Audio MP3 8Kbps 320Kbps, WMA, 32Kbps 192Kbps, WAV, AAC 128Kbps
Distortion Less than 0.1%
Dimensions 124 x 33 x 150 mm
IP degree IPX8
Battery Lithium 240 mAh
Battery life Approximately 16 hours