• Materials: ABS plastic / Body-safe silicone
• Finish: Matte
• Size: 220 x 42 x 36 mm / 8.7 x 1.7 x 1.4 in
• Weight: 210 g / 6.0 oz
• Battery: Li-Ion 900 mAh 3.7 V
• Charging: 2 h at 5.0 V 500 mA
• User time: Up to 2 h
• Standby: Up to 90 days
• Frequency: 100 Hz
• Max. noise level: 50 dB
• Interface:    4-button interface