colour:black
chip solution::CSR8615 edition 5.0
the battery's capacity:120mAh
talking time :24H
music time:10H
effective distance:10-15M
standby time: about 30 days
earmuffs*4
date cable*1
chinese and english manual *1
single size:147*107*34mm
single weight :70g
package size:58*38*30cm
package number:120pcs
package weight:13KG