Product Features: 1. Multifunctional work lanyard recorder/different business temperament/effectively improve work efficiency. 2. Powerful functions: One-key recording/voice-activated recording/intelligent noise reduction/music playback/U disk storage/fast forward/backward/mobile phone connection/local deletion/timestamp/power-off save/file encryption/long-time recording 3. The body shape of the product is designed by the combination of the host and the fiber rope. 4. Applicable to different fields and people: Such as: business people, lecturers, security personnel, receptionists, etc... 5. Humanized design and operation are more convenient to reject the cumbersomeness caused by multiple buttons, prevent misoperation, do not need to start up in advance, and start recording immediately. Specification: Battery capacity: 180mAh Recording time: 30H/playing time 20H/charging time 2H Recording format: Wav/mp3 Playback format mp3/wav/ma Recording distance: 5-10 meters Memory card type: Expansion cards are not supported Memory capacity: 8G Material: plastic colour: black Package Contents: 1 x Recorder 1 x Data cable 1 x Headphone 1 x English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.