DUDAO U5MAX In-earbuds black

BT version:  V5.3
Bluetooth solution: Jieli 7006
BT  working frequency: 2.402GHz - 2.480GHZ
BT range: ≤10 meter
Frequency response: 50Hz~20KHz
Speaker type: Ф12mm@32ohm
Battery: 3.7V, 500mAh
Music time: about 50 hours (80% volume)
Talk time: about 48 hours (80% volume)
Charging input : DC 5V / 1A TYPE-C
Charging time: about 2 hours
standby time: about 100 hours


1. high-capacity battery, long standby time
2. battery digital display 
3. perfect sound quality