led mini name sign card screen usb programming digital display rechargeable use for bar l party supermarket school and restaurant business b

application: suitable for indoor senior service places, employees, full-time staff wear and so on. character: character clear and not flicker during moving horizontally,high brightness, color uniformity. drivers: easy computer interface, support software rich. and do not worry lost the software,plug and play. long life: led life of up to 100,000 hours (ten years) or more. energy led light curtain uses direct heat and direct power supply cooling module. usage: buckle on the clothes, or the place that magnet can be adsorbed.show good results.