pedometer smart bluetooth bracelet with vibrating

Main function:

A: Caller's name and number display (name and number)

B: Unconnection warning after 5-10M (vibration warning)

C: incoming vibration for alert

D: answer/ conversation/ hangup

E: Earphone support.

F: MP3 play support.

G: synchronization Telephone's contacts

H: time display

Technical Specification:

A: compatible to Bluetooth 2.1 (standard)

B: Class 2 standard (10 meters)

C: Working Frequency: 2.4GHz

D: workable distance 5-10M

E: auto energy-saving mode

F: low power consumption mode/ high speed operation mode

G: safety certificate, data encryption