Advanced Bluetooth 5.3 Connectivity: Seamlessly connect to Bluetoothenabled headphones or speakers for a stable, quality audio experience. Extended Playtime with Builtin Battery: 2000 mAh rechargeable lithium battery provides longlasting music playback on a single charge. UserFriendly Compact CardSized Design: Pocketfriendly size for easy transport in pockets or backpacks; thoughtfully placed physical buttons enable easy blind operation to switch songs or modes. MultiMode Music Player: This versatile player offers three playback modes — USB, and Bluetooth (BT) — giving you multiple ways to enjoy your music. Connect to Bluetooth speakers or headphones, link to external speakers, or enjoy private listening with wired headphones without disturbing others. Its ultimate companion for all your audio needs. Practical Use Scenarios: On the go: pair with Bluetooth headphones for wireless listening during commutes or workouts. Shared spaces: connect to external speakers for group listening, or use wired headphones for private listening without disturbing others. At home or travel: keep music handy via USB mode for easy access to your local library.