variety of colors to choose from Default color is walnut If you need to change other colors Please leave message to us for modification within 12 hours of order submission Audio classification: Mini audio Extension interface: USB Weight gross: 220g Impedance: 5 Yes wireless: Yes Maximum power: less than 100W Whether to bring a remote control: No Battery capacity: 800 mAh Bluetooth protocol: 5 Number of speakers: single Display: No Material of the Speaker box: walnut Playing function: MP3 Condition: New Input voltage: 220V Charging mode: USB powered Package type: package box * radio * data cable * user manual 'instructions Playing time: 8 hours Speaker effect: line subwoofer Color: Walnut, Cherry Is there a radio function: Yes Channel: 5.1 Interface type: Bluetooth Function: radio / card / high function external speaker Support format: TF card With or without s screen: None Playback format: MP3 Operation mode: touch Packing volume: 220g Extended storage: 16GB Packing list: packing box * radio * data cable * instruction manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.