promotional LED light pen Fashion design &unique appearance More convenice for dark work,can read&write in dark condition Led light ballpoint pen,led light pen,best-selling light pen1. Description1) Pen name: LED light pen2) Item NO: WLB-2093) Material: PLASTIC+Battery+LED4) Use: gift, promotion, school & office use, advertising5) MOQ: 5000pcs6) Ink/ refill color: black or blue7) Pen barrel color ...