Brand Name: iGPSPORT High-concerned chemical: None Origin: Mainland China Navigation: N Touch Screen: N Waterproof Level: IPX7 External devices: Y Language: English Model Number: BSC100S Display Size: 2.6 Certification: CE Certification: FCC Certification: RoHS Display Color: Black and White Stopwatch and Accessories: Wireless Stopwatch Charging Interface Type: Type-C Type: WireLess Choice: yes