subwoofers
fitbit force wireless activity and sleep wristband black
br b fitbit force wireless activity and sleep wristband b ul li tracks steps distance calories burned stairs climbed and active minutes li monitor how long and how well you sleep li wake up with a silent vibrating alarm li get instant access to your stats with a real time digital oled display li sync stats automatically to your computer and leading smartphones li color black ul
fitbit
li tracks steps distance calories burned stairs climbed and active minutes li monitor how long and how well you sleep li wake up with a silent vibrating alarm
battery type lithium ion category fitness watches composite wood code no country of origin  components usa or imported cpsc regulated indicator n dot id 3481 features alarm calories counter pedometer water resistant exercise log wi fi altimeter ascent and descent reader elevation reader has mercury n material synthetic multipack indicator n number of batteries 1 packaging instructions pi967 power type battery operated recommended use running hiking cross training cycling mountaineering