Solutions:
PAU1603
JIELI AC6936

feature:
IPX5
touchable button

BT Version:5.0
Speaker: 13mm
Frequency: 2.4GHz-2.48GHz
Working distance: 10 meters
Sensitivity: 98±3dB at 1 KHz
Earbud Battery:38mAh
Voltage: 3.7V
Charging Case Battery: 620mAh
Talk Time: 6Hrs
Standby Time: ≥150Hrs