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Welcome all major advertising companies and businesses to negotiate, sign contracts for mutual benefit and win-win. Professional production of wireless charging for mobile power supplies [Purchase Notice] All products in our store can be printed according to customer requirements (silk screen, color printing, laser engraving, etc.). Please contact customer service for specific details; Accept gifts according to customer requirements. Sincerely accept gift orders, customize, and ensure quality,. Seeking: domestic merchants, online store merchants, overseas customers, gift companies,. If you are interested in a large quantity, you can directly consult the store Wangwang or call 13421307962 to inquire about the price. For large quantities, you will be given preferential treatment. Our strengths: 【 Quality Assurance 】 Our own professional production and strict quality control 【 Advantages 】 Mode, saving you costs Arrange production according to quality and quantity, and provide samples 【 Gifts 】 A vast selection of gifts, Parameter Description: 1. Input voltage: 9V/3,9V-2A 2. Output voltage: 5V/3A, 9V/2A 3. Charging power: 15W 4. Conversion efficiency: greater than 70% 5. Transmission distance: 8mm, recommended sending and receiving distance of 2mm~4mm 6. Standby power consumption: average power consumption less than 50mW 7. Executive standard: Qi wireless charging standard Magnetic positioning, automatic adsorption. All metal bracket, pendant, metal reinforcement, support.