... , just simply place your mobile phone such as iPhone 5 on the interactional area, and ... energy consumption but high efficiency, 3*1.5V(size AAA batteries) for power supply, avoid li-battery ageing ... black, white, yellow, green, blue, claret, magenta2. Size: 140*130*45mm3. Weight: about 0.4kg4. Material: ... . S/N: ≥80dB5. Power: 3*1.5V(size AAA batteries)/ 5V DC USB interface6. Induction current: ≥0.5mA7 ...