Zebra's RS5100 Bluetooth Ring Scanner is the 'go-everywhere' single-finger featherweight and rugged ring scanner. The RS5100 is a comfortable, featherlight-yet-rugged industrial design for use at home or anywhere in your facility. FEATURES: Zebra RS5100 - Ring Barcode scanner, Zebra RS5100, 2D Imager, Cordless, General Purpose, SCANNER ONLY, Wearable, No WAN, Compatible with SE4770 Red Illumination, Extended Battery (735 mAh), Single-sided, No USB, Top Trigger, Black Increases productivity by giving the opportunity to wander, without the tangle of cables. With laser scanning technology you don't have to use any additional lighting as it works effectively in low ambient lighting conditions too. The small, light, low-profile RS5100 is purposefully understated at just over two ounces and two cubic inches - practically weightless for all-day comfort. With Bluetooth, there's no cable for workers to manage - and handheld host devices can even remain in a holster. Workers can choose their preferred wearing style - on the right or left hand on either a finger or the back of the hand, or on a lanyard.