ECTACO Partner LUX 3 English-Japanese Speech Electronic Translator Operating System: Android Battery Type: Li-Polymer rechargeable battery 3.7 V, 3500 mAh Dimensions: 7.5 x 4 x 0.7 in (191.2 x 104.3 x 18 mm) Weight: 12 oz Parts: 1 year limited Labor: 1 year limited