- Tiny voice recorder hidden inside a working pen<br />- Voice format: WAV<br />- Features audio detection function: auto start recoding when the sound reach 60dB<br />- Support TF card up to 16GB<br />- Built-in 220mAh lithium battery recharged by the any powered USB port<br />- Package included:<br />- 1 * Spy?voice recorder?pen<br />- 1 * USB charging cable<br />- 1 * English/Chinese user manual<br /><br />                                                                                                                                Dimensions: 5.59 in x 0.55 in x 0.55 in (14.2 cm x 1.4 cm x 1.4 cm)<br />Weight: 0.99 oz (28 g)<br /><br />