Heart Rate Monitor Smartband,007plus Bluetooth 4.0 Smart Bracelet smart band Heart Rate Monitor Wristband Fitness Tracker D107 for Android iOS Smartphone (blue)

App OS: IOS7.0 and above Android 4.3 and above.
Sensor: KX022-1020, silicon labs si1142.
CPU Chip: Nordic nRF51822
Size & Type: 0.49″ OLED
Bluetooth: BLE 4.0 Sync
Outlook & Material Host: Plastic Strap: High quality Sillicone
Size: 40.9*20*10.9 mm.
Color: Black,Blue,Orange,Purple.
Battery: Li Battery 50 mAh.
Standard Packing: 1 smart bracelet, 1 charging cable, 1 user manual, 1 packing box. Here is the link for replacement charger:https://www.amazon.com/Charger-D107-Hear-Monitor-Smartband/dp/B01KJ9W22A/ref=sr_1_23?m=A2FI8VW20TTKHA&s=merchant-items&ie=UTF8&qid=1473824160&sr=1-23