Model No.: KZ912
TWS Earbuds-Metallic Finishing
Bluetooth version: JL5.3
Working distance:10M
Wireless frequency: 2.4 GHZ
Earbuds battery: 30 mAh
Charging dock : 250 mAh battery 
with protective board.
Playing time: About 5 hours
TYPE-C connector
Product weight：33.7g
Product size：57.57*52.55*27.23mm
Weight with packaging：71g
Size with packaging：9*4*13.8cm
Master CTN qty: 100pcs
Master CTN size: 48*31.5*43cm
Master CTN G.W: 7.9kg