Model number:i9s tws
control button:yes
specification:
product name: i9tws bluetooth headset
product bluetooth:v4.1
product net weight: 48g
product gross weight:122g
product charging: appl* interface
product battery: rechargeable lithium polymer battery
product connection: you can connect two bluetooth devices at the same time.
usage time: play music / talk time: 2 hours
product configuration: i9 tws wireless independent bluetooth headset, appl* charging cable, chinese and english manual, world cover packaging charging stand