Model: PILTime to market: 2016Type: Bluetooth speakersConnection: Bluetooth connectionInterface type: USBFrequency range: 100HZ-20KHZ.Power supply: built in lithium batteryChannel: 2Play time: 6 hoursBluetooth protocol: 3Speaker number: 2Effective distance: 10 metersFunction: phone card， voice prompts， radioOperation mode: touch controlApplicable to the crowd: GeneralShell material: plasticWhether APP: isSpeaker: touch control modeWhether there is a radio function:Material: plasticAppearance size: 20*6.5*5.5CMProduct weight: 0.789 (KG)Specification: black， white， red， blue， purpleJUS