Model:JR-E20
Trade Name: IN-Ear wireless Bluetooth earphone
Bluetooth type: V4.1+EDR
Earphone battery:40mAh
Charge box battery capacity:2200mAh
Output power : 10 MW
Voice channel:Double voice channel
Speaker size:88mm
Transmission distance:10m
Charge time: 30 min
Play time : 3h
Call time:2.5h
Standby time:720h
Waterproof level :IPX5
Charge box size :74*47.1*29.4
Material :ABS, Silicone
Color : White , dark gray
Earphone weight: 4g
Charge box weight:77g