Material: plastic casingColor: Gold、 BrownSize: 15 x 4 x 4cmSpeaker output power: 3WFrequency response: 180Hz~20KHzS/n ratio: － 80dBThe Bluetooth transmission range: 10 metersMP3、WAV lossless music playerFM radio (88~108MHz)Torch LightingSupport the SOS distress signalSupport USB charging and discharging5V1A integrated Intelligent charge and discharge protection circuitMobile power supply: 2200mAhInstructions for use:Long press the power button on/offShort press the power key to play/pause/answer/hang upShort press the power button twice for the Bluetooth switch、 TF card、 FM mode when the radio、 short press the power button twice the automatic channel searchShort press the minus key: a song on radio、 short press the previous radioLong press the minus key: decrease volume、 short press the plus key next song、 radio、 short press to the next stationLong press jiajian: volume increase the flashlight switch、 long light long press theSOS distress signal flashing、 you can unplug the lamp plug connector for charging the mobile phoneNote: when charging the flashlight、 long red light、 green light flashing、 full solid green light; low-power、 the machine automatically interrupts the discharge、 the green light goes outBluetooth device name: MultiSpeakerPackage: 1 x Bicycle Bluetooth Speaker FlashlightPacking: color box