M1 Bluetooth Speaker Alarm Clock Wooden Wireless Desktop Loudspeaker1. Bluetooth version: 5.02. Support functions: Bluetooth playback, TFU disk card, radio, voice prompts, audio playback3. Speaker unit: 52mm x 64. Interface type: USB5. Battery capacity: 2400mAh6. Frequency response range: 90Hz-18KHz7. Output power: 12W8. Charging time: about 2-4h9. Playing time: about 3-8h10. Expansion storage: 32GB11. Effective distance: about 10 meters12. Play format: MP313. Packing list: audio x1, manual x1, charging cable x1, audio cable x114. Shell material: wood15. Appearance size: about 45x9x8cm16. Weight: about 1320 gramsFeatures:1. 6 x 52mm speakers, shocking sound2. Bluetooth 5.0, stable and smooth signal, strong anti-interference, easy to have good sound quality3. Multiple playback modes, Bluetooth, TF card, AUX, U disk, wired and wireless4. Built-in 2400mAh lithium battery, strong battery life, energy saving and environmental protection5. Smart compatible with mobile phonescomputerstablets and other devices, easy to connect and compatible with WindowsAndroidApple and other operating systems, and compatible with all kinds of music playback software