I can confirm I am either the owner of the device or an authorised representative of the owner and are therefore able to make this declaration.
Joblot Of x10 Avaya L139 Monaural (Single Ear) Headset - 700514053
Joblot Of x10 Avaya L139 Monaural (Single Ear) Headset - 700514053 (3)
Joblot Of x10 Avaya L139 Monaural (Single Ear) Headset - 700514053 (11)
Joblot Of x10 Avaya L139 Monaural (Single Ear) Headset - 700514053 (12)
Joblot Of x10 Avaya L139 Monaural (Single Ear) Headset - 700514053 (2)
Joblot Of x10 Avaya L139 Monaural (Single Ear) Headset - 700514053 (1)