Specification :

BT 5.0 

Working time : 3.5 hours 

Charging time : 0.5 hours 

Standby time : 100 hours 

Earbud battery : 35mah 

Charging box battery : 300mah 

With protection board inside 

Functions ：

1. Play/Pause/Answer/Hang up

2. Previous/Next

3. Caller number/last digit callback

4. Automatic pairing/automatic shutdown

5. Binaural call

6. Battery sync/low battery prompt

7. Touch operation

8. Power on/off voice prompt

9. Summon Siri voice

Packing information : CTN Size : 50*40*25cm , 100pcs/ctn/7.5kg