New Vibrating bluetooth bracelet

Product Feature
Incoming call vibrating alert bracelet,Display telephone number and name,Clock Display.
Specifications:
* Full steel bluetooth vibrating bracelet
* The strap length can be adjusted.
* Colors:black and stainless steel
* Super brilliant high definition OLED screen display;
* Bluetooth Version: V2.0;
* Incoming call vibrating alert and display telephone number and name
* Bluetooth bracelet can control handsfree / reject / mute
* Disconnecting vibrating alert (anti-theft,anti-lost function)
* Automatic matching,no need repeated operations
* Working status display
Technical indicators:
Compatible with Bluetooth 2.0 specification
Class 2 (10 meters)
Complies with the Bluetooth Handsfree Profile (Hands-free Profile) V0.96
Operating temperature range: -20c ~ +75c
Storage temperature range: -40c ~ +85c
effective distance:5-10M
Automatic power-saving mode
Support for low-power operation mode / high speed operating mode
Security authentication, data encryption
Technical parameters:
Boot current: 20mA
Standby operating current: 0.7 ~ 2.0mA
Vibration display Operating Current: 45mA
Charging voltage: 4.2V
Bluetooth handsfree function:
The headset functions: no
Bluetooth working range: 5 ~ 10 m
Color:Silver,Black
Certification:CE,ROHS