For the regular athlete, who indulges in his sport 3 times / week. In addition to taking over all the functions of the SP 2.0, the SP4.0 incorporates rehabilitation programs, ideal for athletes prone to injury. In addition, the MI functions provide optimized user comfort. SP 4.0 is the ideal partner to improve muscle strength, regain muscle volume, relax and recover faster. Important information: Wired device 30 programs Rechargeable battery (4h30) Sport range
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