Description:TG271 BT5.0 Wireless Speaker Built-in 2400mAh Lithium Battery With MIC TF Card USB Interface MP3 HiFiStereo Audio Sound BarDeep Bass Portable Speaker Wireless Device For Home OutdoorFeatures:Features advanced BT 5.0 chip supporting BT connection and equipped with TF card slot, FMLarge battery capacity that comes with a built-in 2400mAh lithium batteryQuality sound effect, super overall balance, full bass and loud trebleBuilt-in microphone, support call functionMulti-device compatibilitySpecification:Item name: BT5.0 Wireless SpeakerModel: TG271Color: Blue/Black/Gold/Army GreenBT version: 5.0Charging port: USBTransmission Range: About 15m (Obstacles Free)Built-in Battery: 2400mAhSpeaker power: 5W*2Frequency response: 100Hz-20KHzSignal to noise ratio: >75dBProduct size: 204*71*62mmProduct weight: 558gNote:The battery usage may be slightly different due to the actual usage.There is a little of difference according to manual measurement.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Please confirm whether you can use the voltage or not in your country, thank you.Package List:1*BT Speaker1*USB Cable1*Audio Cable1*User Manual