Specifications
| Model name: | ESI-04 |
| Product size: | 60x24x8.5mm |
| Materials: | ABS |
| Color: | Black |
| Bluetooth version: | V4.2 |
| App name: | ZFINDER |
| Effective meter: | 10M-15M |
| Battery type: | CR2032(Replaceable) |
| Battery life: | 3-6 months |
| Compatible: | iOs7.0 system or above Android 4.0 system orabove APPcanbeconnectedwithmaximum6devicesatsametime |