new folding mouse 2.4ghz arc touch wireless touch optical mouse with usb receiver for notebook/laptop (black) gxcdizx <b>we solemnly promise that as long as you have a problem, or are not satisfied, we all support no reason to 100% refund service.</b><br> save battery, easy to carry with, high accuracy, sweatproof, antiskid, foldable, mouse<br> ◇number of keys: 3<br> ◇battery type: a+++(but not included)<br> ◇wireless technology: 2.4ghz wireless<br> ◇usb nano transceiver<br> ◇plug and play, can be attached to the bottom of the mouse wireless<br> ◇transmission distance: ≤ 10m<br> ◇note: curved mouse power is on, flat close, no switch button<br> ◇applicable models: desktop pc notebook universal curved mouse power supply that is open, put that is off, without the switch button; green light flashes that the battery has begun to work, then turn off to save power<br> ◇precise optical technology, movement can be detected in near all service. <br> ◇perfect arc design fit your palm perfectly; better grip, easy operation; comfortable handling. <br> ◇optical sensor can work on most of the surfaces, thus it needs not a mouse cushion. <br> package include: <br> 1 x foldable wireless mouse<br> 1 x receiver<br> ◇auto on/off power saving technology, the mouse will turn off automatically without motion and clicks within 3 minutes.<br> ◇let your hands will not fatigue and pain wireless foldable optical mouse/mice<br> ◇nano transceiver plug and play, can be attached to the bottom of the mouse<br> ◇bend mouse power that is open, flat that is closed , without switch button<br> ◇foldable desgin, folds to 60% of its fully expanded size. after being folded up, the mouse shut up automatically. it's very convenient and easy to carry with.