Q9 16GB Noise Reduction Digital Voice Recorder Pen with OLED Display + Writing Pen 2 in 1 for News Interviews Business Meeting 192kb ADPCM recording rate,crystal clear recording with noise reduction Time sitemap function. Recording file named by time,shown on OLED screen,ensure easy file management Easy to use,just move the button to ON to start recording and OFF to save recording The recording pen can be used as a normal pen. Come with 5 extra refills Plug the headphone to listen to recording file or MP3 Specifications: Model: Q9 Recording mode: HD Recording format: WAV Recording time: 1800 minutes Maximum number of recording files: 999 Support memory card: No Display: OLED screen Transmission interface: USB 2.0 Microphone: two-way Recording distance: 5-10 meters Support video shooting: No Battery: Lithium battery Shell material: OLED screen 96x16,zinc alloy material Product size: 142x15mm Product weight: 45.3g Package included: 1 x Voice Recorder Pen 1 x Headphone 1 x Charging Cable 5 x Pen Refills 1 x English and Chinese User Manual Other things not included