Feature: Play VideoBattery: YesIntelligent Personal Assistant: NoneRemote Control: NoWaterproof: NoChannels: 2 (2.0)Audio Crossover: Full-RangePlayback Function: Radio,MP3Wi-Fi Music: Music,iHeartRadioOutput Power: 4WPower Source: BatterySupport APP: YesSupport Memory Card: YesBuilt-in Microphone: YesFrequency Range: 20Hz-20KHzSupport Apt-x: NoVoice Control: NoPMPO: 3WSpeaker Type: PortableCommunication: USBNumber of Loudspeaker Enclosure: 2Executive standard: Bluetooth 4.2Transmission range: 10 meters100% qualityPortable Bluetooth speaker, wired troublesSupport Bluetooth hands-free callingSupport automatic memory of the last piece of musicEnjoy unlimited stereo music anytime, anywhere.Small and exquisite, the speaker is at your fingertipsSuitable for indoor and outdoor useExecutive standard: Bluetooth 4.2Speaker: 52MM, external magnetic 43WFrequency response: 20HZ-20KHZTransmission range: 10 metersSound and noise ratio 80dBPower supply mode: built-in battery miniUSBBattery: steel case 3.7V / 400MAcolour:blackMaterial:Plastic + linensize:11.3*4.3*9.3cmPackage Contents:1*Bluetooth speaker1*USB charging cableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.