Real-time Recording:This mini recorder uses professional recording chip, which allows you to enjoy clear recordings anytime and anywhere, and can record for a long time. Large Capacity:Supporting TF card, this keychain recorder has large capacity and easy transfer, you can easily transfer audio files to your computer and play them freely.USB2.0 interface, supporting system Win98 or above. Long Standby Time:Built-in rechargeable lithium-ion battery, durable and easy to use. A fully charged battery can save up to 10 hours of audio files for your daily use. Like an Amazing Gift:Slim profile and small size. Can be carried in any pocket or bag. An ideal gift for students, grandchildren and colleagues. For people with specific illnesses, it can help them overcome dyslexia and learning difficulties.