FREE TECHNOLOGY Integrated cords in the headband. No distractions. No hassle. HYBRID BATTERY CASE A versatile battery case for either AAA batteries or Hybrid battery...
RECHARGEABLE BATTERY (4.0AH) 4.0Ah rechargeable battery with 4 step battery indication and a multi-attachment Velcro soft case. FREE TECHNOLOGY Integrated cords in the headband. No...
HYBRID BATTERY (1.15AH) USB-rechargeable hybrid battery (1.15Ah) - designed to use in combination with the Hybrid battery case. FREE TECHNOLOGY Integrated cords in the headband....