... pay for samples and the freight.Serivice:All questions response in 24 hours. Latest information will be updated to you. ... Description 1. Novel, stylish, sophisticated workmanship 2. Built-in effective charging module, low heating 3. Supports hi-speed powering ... 5. Low voltage alarming function lets user can recharge the machine in time 6. Polymer lithium battery, eco-friendly, safe, non-toxic ...