Size Collar

17 yards is 12

Supports power supply via USB cable or 2 × AAA batteries (batteries not included)

Package List:

Male Astronaut Intelligent Multi-function Bluetooth Watch Color:Black Size CollarProduct Information: Color: Silver Display Size: 1. 3" 240 240 Full Fit Full Touch Screen Battery Capacity: 300mAh Touch Mode: Full Touch Screen Main Control Chip: Huiding 5515 + Jianrong CW6693D4 Acceleration Sensor: Triaxial Acceleration Roma KX1057 Storage: UI Flash: 64MB Music Storage Flash: 1024MB Compatible Systems: iOS 8. 0 or above Android 4. 4 or above Functions: Synchronization of pedometer and heart rate data (APP required) Exercise