Wiwu Airbuds 5 High Quality TWS

Battery Capacity: 250mAh case; 30mAh earphone
JL chipset; V5.4 Bluetooth;
Transmission Distance: About 10 meters
Charge 1.5H, about 4.5H music, about 3.5H calling
50H Standby Time
Type-C port charging
Package: 10.3*10.3*3.4 cm
Feature: 
Bluetooth 5.4, stable connection.
13mm driver unit, full low-end, transparent mid and high frequencies.
In-ear design, fuller sound quality.