Wireless Bluetooth Speaker Mini Outdoor Speaker （Black）

Power supply: USBPower supply: built-in lithium batteryColor: blue, black, red, silver gray, bonus, mixed color deliveryBluetooth protocol: 4.1Play format: MP3Output power: 3wConnection method: Bluetooth connectionInterface type: USBAppearance size: 123X46X81mmSpeaker adjustment method: buttonApplicable people: General Battery capacity: 400Shell material: clothOperation mode: keyFunction: voice prompt, card, radio, call functionPlaying time: about 90 minutesEffective distance: 10metersSupport format: TF cardExtended storage: 8GBType: Bluetooth speaker
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