Compact Yet Mighty Measuring a mere 45mmx25mmx12.5mm, the B66 is a pocket - sized powerhouse. Its integrated back - clip design means you can effortlessly attach it to your clothing, making it the perfect companion for outdoor sports, commutes, or just a casual day out. and convenient, it goes wherever you go without the slightest inconvenience. Multimedia The isn't just an MP3 player; it's a versatile multimedia hub. It's a haven for bookworms, offering a portable library experience. Dive into your favorite reads with features like table of contents access, brightness adjustment, auto - paging, and bookmarking. Plus, enjoy music background playback as you get lost in the pages. For language learners, it's an invaluable English listening assistant. With lyrics display and variable - speed playback, mastering pronunciation and comprehension has never been easier. And when it comes to capturing important moments, its noise - reduction recording feature with voice - controlled recording is perfect for classroom lectures or business meetings. Intuitive Touchscreen Interface Navigate through your media effortlessly with the full - touchscreen design. The IPS display, with a resolution of 320x172, offers fast response times and a smooth, user - friendly experience. Adjust settings, switch between apps, and play your media with just a tap. Whether you're a music enthusiast, a dedicated learner, a busy professional, or an active adventurer, the B66 Bluetooth MP3 Player is the ultimate device you've been waiting for. Elevate your daily experiences and embrace a world of endless entertainment and productivity. Don't miss out - grab your B66 today! Audiophile - Approved Sound Quality Immerse yourself in a world of crystal - clear audio. With support for lossless formats like FLAC and APE, along with popular such as MP3 and WAV, every note is reproduced with stunning accuracy. The 3D external speaker delivers a rich, immersive sound experience, whether you're listening to your favorite tunes, catching up on an , or tuning into the FM radio. And with Bluetooth 5.3 technology, connecting to your preferred headphones or speakers has never been smoother or more stable. Product Parameters: Play duration: The speaker sound for approximately 1-2 hours. If the headphones are turned off for about 15 hours Charging time: about 2 hours with loudSpeaker: Yes Product weight: 18 grams Product size: 45x25x13MM Supported formats: MP3, OGG, APE, FLAC, WAV, AAC-LC Battery: Lithium ion battery Color:As Shown Material:ABS Package Contents: 1 * MP3 Player 1 * charging cable 1 * 32G memory card(The memory card is in the host) 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.