Bluetooth Keychain 01

We are offering bluetooth keychain 01. Bluetooth chip dialog da14580 operating voltage cr 2032 buttoncell os support above of ios 7.0 and android 4.2 standby electric＜6.0ua operating voltage 2.7-3.2v freq range 2.4-2.483ghz network bluetooth 4.0 operating range 5 to 30m standby 6 months color any color for.plastic case functions self-timer, anti-lost, pickproof&search unit size:30*40*8mm, net