Leather Watch Strap & Smart Bracelet 2 in 1 - It's not only a simple Watchband but also a Smart Wristband with built-in intelligent chip for activity tracker!
Multiple Functions & Long Lasting Life - Monitor steps and sleep, record calorie, notify calls and messages, remote control camera, sedentary warning, find cell phone, etc. In addition, charging our watchband for just 1 hour, then you can use it for 3-5 days, which is efficient!
Match with Various Watches - This watch band replacement is suitable for all kinds of watches. 2 sizes(20mm or 22mm Spring Bar) and 3 colors(Classical Black, Marine Blue or Elegant Brown) for your choice.
Argetine Genuine Leather - Our watch strap replacement is made of durable leather and it has IP54 waterproof rating. It is hypoallergenic and comfortable to wear. It will not cause any irritation. Safe for daily use.
Bluetooth 4.0 - It is compatible with IOS 9, Android 4.3 and above for iPhone / Android Smartphones.