Tokyu Sports Oasis Shape Twin Ball Vibration Fitness Machine STB-100 (5 Vibration Levels)

[Main Unit Size] Maximum diameter: 9cm, Minimum: 5cm x Length: 19cm [Color] Red [Material] Main Unit: ABS resin, Silicone rubber [Weight] Main Unit: Approx. 800g, Charging Adapter: Approx. 110g [Adapter Cord Length] Approx. 1.8m [Power Source] Lithium-ion battery 7.3V 2600mAh [Recommended Operating Temperature] 15°C - 35°C [AC Adapter (for Charging)] Input: AC 100-240V 50-60Hz, Output: DC 12V 1A [Charging Time] Approx. 3.5 hours [Operating Time] Approx. 2 hours (at vibration level 5 and room temperature of 23°C) [Vibration Speed] ■ Vibration Level 1: Approx. 2,000 bpm ■ Vibration Level 2: Approx. 2,500 bpm ■ Vibration Level 3: Approx. 3,000 bpm ■ Vibration Level 4: Approx. 3,500 bpm Vibration Level 5: Approximately 4,000 vibrations per minute Accessories: AC adapter (for charging), instruction manual (with 1-year warranty) Warranty: 1 year