Key Features:
Specification
· Bluetooth Range≥40m (≥131 feet)
· Operating Frequency Band: 2.4GHz
· Built-in Buzzer: 85dB max
· Detachable Battery: CR2032, 220mAh, lasts for 12 months
· Size: 29.77*48.27*8.65mm
· Weight: 9.7g
