Supports Bluetooth connection, U disk/TF card music playback, and AUX input for hands-free calling. Frees your hands to do more while enjoying unlimited o possibilities in any compact space. Compatible with most Bluetooth devices, connects quickly to mobile phones and tablets. Features retro FM radio for instant access to classic radio channel surfing. Delivers clear and crisp sound to fill your room, meeting high o quality expectations. Ideal for home, dorm, kitchen, bathroom, car, party, or travel use. Specifications: Connection method: Bluetooth Frequency response range: 40Hz-20kHz Output power: 3W wireless Transmission distance: 10 meters Signal-to-noise ratio: 75dB Playback time: 6 hours Charging time: 2-3 hours Memory card support: Up to 32GB Bluetooth protocol: 5.0 Battery capacity: 400mAh Bluetooth pairing method: Long press the middle power button to turn on the speaker, enable phone Bluetooth, and select "HM11" to connect Package Included: 1 x Speaker 1 x Charging Cable 1 x User Manual (English) Note: Other items not included. Product from NIUNIU store