DescriptionThis is a portable mini multi-fucntional voice recorder with built-in microphone. Compact and portable design allows you to use it anywhere and anytime to record lectures, meetings, interviews, telephone conversation. This digital recorder is the perfect companion in your daily life.Features- Color: Black - Material: Metal - Size: 7 x 2.3 x 1cm - Recording time: 3H - Audio quality: 128 Kbps - File format: MP3 - Power: 3.7V 100mAh - With an external microphone, act as a digital voice recorder for recording lectures, meetings, interviews. - Build-in high capacity 110mAh lithium battery, lasting about 13 hours. - Ultra-low power circuit design can achieve long time recording, can work continuously up to 13 hours. - Can be used as a U disk, with USB interface, high data transmission. - Simple operation, just need to insert the TF ( not included ) to start it. Support max.32G TF Card.