... as gift, souvenirs and promotions. Mobile phone flash sticker1, Can be pasted on the mobile, no need any battery. When ... make you more attractive.2, Suitable for GSM mobile phone withour antenna at widely frequency 900GHZ∼1800GHZ.3 ... 5, CE, ROSH,EN71 certified.Mobile phone flash sticker1, Can be pasted on the mobile, no need any battery. ... any size and designs are acceptable. LED Mobile flash sticker