prosmart heated vest polar fleece lightweight waistcoat with usb battery pack(unisex,black) (gray, l) (black, l) prosmart <b>no more being cold! buy one now!</b> <br> prosmart heated vest / battery heated vest providing comfortable wearing feeling with refined material and smart design. <br>heated vest is flexible, washable, and can easily be worn with your daily attire. <br> efficient heated design allows the electric heated vest heated jacket warm up rapidly in extremely cold weather.<br> zipper pocket of heated fleece vest is an ideal for mobile phone storage .<br>three temperature can be selected .<br> <br> <b>specification</b> <br>power supply: prosmart heated vest battery pack or your 2.0a output power bank<br> material: polar fleece <br> size: xs s m l xl xxl <br> heated area of heated vests: upper back and lower back <br> heat settings of heated vest jacket: hi,medium and low temperature (high-red led ,medium-white led ,low-blue led) <br> using time of heated vest battery: lasting for 4-10 hours (depends on temperature setting)<br>charging time of heated jacket battery pack:about 6.5 hours <br> color: black <br> <br> <b>package </b> <br>gift box package includes a heated vest ,a heated vest rechargeable battery pack and charger ,a user manual <br> <br> <b>washing:</b> <br> heated vest battery can not be wash,please plug out before washing. hand wash or machine wash in a small laundry bag.<br> <br> <b>instructions:</b> <br> step 1.put on the vest under the thick jacket (very important step ,otherwise you may not feel warm)</b> <br>step 2.connect the heated vests with the power bank with the cable</b> <br>step 3.long press the controller in the left chest of heated jackets for one second until the red light on ,then pre-heating for 1 mins ,press the heated coat controller to adjust different temperature(hi-mi-lo temp.)</b> <br>step 4.long press the controller for one second until the light off,the heated vest for women and women stop heating .</b> <br>step 5.short press the battery on/off bottom to turn off it .