1Touch Buttons: Capacitive touch buttons with backlight at night, millisecond level capacitive touch, upgraded button backlights light up the screen, making night operations more convenient. 2Simple Operation: The integrated design of the fuselage buttons, when the machine is turned on, one button start recording, save recording, each time the switch is turned on and off, a separate file is saved for easy reference. 3BT Wireless Technology: BT wireless technology standard configuration, strong and stable signal, support BT headsets, BT speakers and other BT devices. Lossless core decoding chip, better analyze most mainstream lossless music formats. 4One Key Recording: MP3 recording, PCM recording 1536Kbit, 40 hours recording time, optional voice control recording 50dB, automatic segmentation recording. 5Brighter, Lighter: Not only thanks to the superb internal structure superimposed design, but also from our pursuit of craftsman. The integrated body design is more dazzling. Item Type: Player Model: M22 Material: ABS+LCD Recording Format: MP3 WAV Recording Method: One Key Recording, One Key Saving Control Panel: Millisecond Capacitive Touch Panel (Support Backlight) WAV Digits: 1536kbps MP3 Digits: 384kbps Music Playback: MP3 WMA/OGG APE FLAC WAV AAC-LC ACELP Video Playback: AMV AVI (Video Files Need to Be Converted by Conversion Tools) BT Version: 4.2 Screen Color: LCD Color Screen Screen Resolution: 160 x 128 Wma Bit Rate: 32kbps-384kbps Frequency Response: 20Hz-20KHz Signal to Noise Ratio: 90dB Headphone Jack: Approx. 3.5mm/0.14in Usb Interface: Micro USB Battery Type: Lithium Battery Battery Capacity: 300mAh (Included) 1 x Player 1 x Headphone 1 x Charging Cable 1 x Manual