Bluetooth 4.0, Electro-Magnetic Resonance (EMR), Pressure levels 1024, Supported Paper Size Letter, 8 1/2 x 11 in A4, 210 × 297 mm, (Bamboo Folio Large & Bamboo Slate Large), Half Letter, 8 1/2 x 5.4 in A5, 140 × 216 mm, (Bamboo Folio Small & Bamboo Slate Small), Supported Paper Thickness About 80 pages (<8 mm, < 0.3 in), 1 multi-function button, Rechargeable Li-polymer battery, Battery Charging Time 2.5 hours (typical), Power Consumption Normal use: 50mA (approximately), Charging: 400mA (approximately), Dimensions (H x W x D) 13.3 x 10.6 x 0.7 in 338 x 268 x 19 mm
