Model:K2

Bluetooth Version：Loda AB1511 V4.1

Play time：2.5h

Standby time：100h

battery capacity：earphone 50mah/battery holder450mah

weight：earphone 5g* 2、charging box 45g

charging time：1h

charging box size：80 * 60 * 30mm

packagr size：91*39*185mm

package weight：116g

Colour：Black、 black silver、Black red、White、white sliver、white red