Features:
1. With Power Display , let you know the battery power of earbuds in everytime；
2. With Vibrating Alert Function, let you wont miss any important calls；
3. Easy to wear clip, with functional clip, carry your Fineblue conveniently on your shirt；
4. Extra long talk/play time, up to 20 hours of talk / play time, and 180 hours of standby time；
5. Pair two phones simultaneously, enjoy the comfort of pairing two phones at the same time with Fineblue；
6. Patented retractable cable technology, after finishing your call, retract your cable with asingle push of a button (build-in 30cm cable).

Specifications:
1. Product Name: K55
2. Product Color: Black, Silver, Gold
3. Bluetooth Version: Bluetooth 5.2
4. Capacity of Earphoe: 140mAh
5. Transmission Distance:10m
6. Music Time: About 20 hours
7. Charging Time: About 20mins
8. Standby Time: About 180 hours

Packing list:
Headset x 1
Charging cable x 1
Instructions x 1