Enjoy shopping, Happy every day!Product parameters: 1. Main functions: Bluetooth, call, TF card, USB, FM 2. Product material: ABS plastic 3. Bluetooth specification: bluetooth4.2 4. Power amplifier specifications: 3W 5. Battery specifications: 400 mAh 6. Play time: 1-2 hours Features: 1. Support multiple connection modes: Bluetooth connection, U disk insertion, TF card insertion, playback accessibility 2. Simple button, one button operation 3. Mini compactIf you are satisfied with this product, please recommend it to others!! Thank you very much! Best wishes to you ^+^