Earphone Mini, Music Play, Phone call, Headset DC 5V, In-Ear Microphone, Sweat proof

Description:
Bluetooth version: 4.1
Effective distance: barrier free 10M
Wearing type: in-ear
Microphone: Yes
Frequency: 2.4GHz
Voltage: DC 5V
Function: support call, music
Battery: built in 60mAh lithium battery (including battery)
Talk time: about 3-4 hours
Music time: about 3-4 hours
Standby time: about 100 hours
Colors: black, white
Product material: ABS
Product size: 5*2*1.8CM