Portable Bluetooth Speaker Portable Sound System 5W Stereo Music Surround Waterproof Outdoor SpeakerSpeaker: Double Speakers 4 5W diameter 55mm FM Frequency Range: 87. 5 108MHz Frequency Response: 100Hz 20KHz Battery: 3. 7V 1200mAh Lithium Battery Charging Interface: Micro USB Input Voltage: DC 5V 500mAh SiZE: 8. 5*8. 5*10. 8CM packing Size: 9. 5 x 9. 5 x 12cm N. G: 400G MEAS: 47*39*39CM QTY: 60PCS G. W: 24KG Instructions: 1. Press and hold the ? button to increase the volume short press 2. Press and hold the " " button to decrease the volume short

Operating Humidity: relative Humidity less than 80%

U5100UQ Series

Traction triangle design

windows 2000

Suitable for office and market

without driving

Rated parameters: 2500W 10A(MAX) 250V

protect hard drive and prolong hard drive's useful life

Carton Size 52cm * 22cm * 28cm / 20

One-key call via mobile APP

Carton Size 47cm * 39cm * 39cm / 18

Video Format:AVI