Version: 4.1+EDR 
power consumption: call 19.04mA-22.13mA;

Music 16. 3 sound 5m road A - : 22 stand. 5 body 6m sound A 
battery capacity: 60ma 
transmission distance: 10 meters 
machine plus package weight: 50g 
package: length 160mm width 95mm thickness 30mm 
body weight: about 16.4 grams. 
Call time: about 3 hours. 
Standby time: about 120 hours.

 PP bag packaging (including charging cable, manual, ear cap,)