Since the volume of Smart Watch is very small, it also limits the use of the battery size, we all know, the battery capacity is directly proportional to the size of the volume, the volume, the lower means that the battery's capacity, the shorter the battery life, volume The larger, the larger the battery capacity, battery life is long. Therefore, the smart watch, the battery life is a bottleneck, and that if there are products to the smaller capacity batteries, bring a longer life time? [1] The analysis of the current children's intelligence watch battery, basically using lithium battery technology, but at this stage in the field of lithium batteries is still not much of a technological breakthrough that extends battery life means that the volume increases, and as smart watches, Volume has been defined very limited, so the battery life has become a bottleneck in its positioning wristwatch, who bring longer battery life in a limited volume, who can become the market leader. "Bang Bang Bear" is the creation of children and their parents will always be linked. Parents can understand their children at any time by phone APP location and environment, send text messages to children; children can easily contact parents, just press sos button for 3 seconds on the watch can be passed wanted to say to them; encounter or go to a strange environment hazard, gps positioning watch website derivative, the guardian angel of "Bang Bang Bear" will immediately issue a warning to parents. Compared to the market of the same type of children watch, highlighting the advantages bonbon bear is also that it is no follow traffic charges and service fees distress. After purchasing the product, no annual service fee, positioning watches price, do not need to buy a SIM card, a communication service fee "Bang Bang Bear" produced by the manufacturer to pay, so that the majority of parents actually feel the "zero tariff" benefits. gps positioning watch what brand is good, tour grace (certified), positioning watches offered by TU Technology Co., Ltd. Beijing tour. Beijing Tour En Technology Co., Ltd. (www.bjyouen.com) (www.bjyouen.com) is the Beijing Haidian District, chemical instrumentation leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. Well leader in travel with the staff warmly welcome all inquiries negotiations to create a better future tour grace.