Estimated Delivery:8 ~ 10 business days, Shipping Fee GBP 2.99 Features: - Ultra long battery life, up to 500 cycles. - Adopt energy saving, high-power, long-life LED lamp beads. - The LED bead is illuminated by the battery and can be reused after charging. - Charging protection:The charging status shows a red light, and the charging is full and the automatic light is off. Specification: Material:ABS USB Charging:5V/1A Beads:0603 beads Charging time:1 hour Battery capacity:(Built in)180 mAh Number of beads:164 Use time:5 hours Size:16 x 16 x 5 cm Packing List:1x Glasses, 1x Charging Cable, 1x Instruction Manual