1. Material: ABS 2. Applicable devices: iOS 8.0 or above, Android 4.3 or above 3. Features: precise positioning, one-key call device, long standby time, high performance, low power consumption 4. Bluetooth version: 4.0 5. Bluetooth distance: 15 meters 6. Volume: 80 decibels 7. Battery: CR2032 button battery x 1 (delivery with battery) 8. Battery life: 6 months 9. Small size, light and easy to carry 10. Big volume buzzer alarm 11. Support remote photography 12. Dimensions: 37 x 37 x 5.6mm 13. Net weight: 8g/pc
