【Voltage Compatibility】
When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.
【Plug Type】
Our products use Japanese plug types (A or B type).
Please use a conversion adapter if necessary.
【Important Note on Transformers and Adapters】
A transformer adjusts voltage to match your device’s requirements.
A conversion adapter only changes the plug shape and does not adjust voltage.
Using only a conversion adapter without a transformer may result in damage to the product.
【Liability】
We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.
[About clocks that synchronize time via radio waves]
The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful.
【Headset for landline phones】: Please refer to the list of compatible phones in the description. Direct connect landlines are Yealink T19P T20P T21P T22P T26P T28P T41P T23G T32G T38G T40G T42S T46S T48S Avaya 1608 1616 9608G 9611G 9620 9630 9640 9641G 9650 J139 J169 Grandsteam GXP 1400 1405 1610 1615 1620 1630 2000 2120 2124 2135 2170 280 285 GXV 3005 3006 3240 3275 Snom 300 320 360 710 Compatible only with 821 870 and specific phone models listed in the description. *Mobile phones and computers are not eligible. ”
【Clear Calls】: Wideband sound 4-pin RJ9 call center telephone headset with microphone compatible with Yealink Avaya landline provides excellent sound quality and brings you a natural hearing experience. Noise reduction microphone reduces background noise and acoustic vibration protection circuit protects your hearing. (*Note: If you can hear the other party's voice after connecting it to the headset's own adapter, but your voice is not being heard by the other party, the headset and phone may not be compatible. Please use one of the three included adapters, connect it to the headset's own adapter, and then insert it into the phone interface. Please use one of these three adapters to check whether the microphone voice can be heard by the other party.)
【Ultra Comfortable】: Ultralight wired hands-free phone headset compatible with Grandstream Snom Desk Phone, with adjustable headband to fit all head sizes. High quality soft artificial leather ear cushions provide all-day comfort. Built-in professional mic mute/volume control.
【Can be used for a long time】: Precision design, high quality plastic, unibody headband structure and high quality microphone make this office phone headset with RJ9 jack more sturdy and durable. Suitable for call centers, hospitals, offices, businesses, telephone counseling services, housing, insurance, schools, banks.
[Reliable after-sales service and compatibility notes]: 45 days money back guarantee and 2 years warranty. Compatible only with specific phone models listed in the description. (Including, but not limited to). It does not apply to smartphones or computers. For other phones, please contact us for compatibility guide or advice or usage issues. We will do our best to provide after-sales service to our customers.If the product is defective, we apologize for the inconvenience, but please contact our after-sales service before returning or evaluating.
List of compatible landline phones (includes, but is not limited to): Please note: This headset will only work with landline phones that have an RJ9 jack and will not work with smartphones or computers. Please purchase Callez 3.5mm jack headset, USB headset if necessary.
If you cannot find your landline phone model in the list, please do not purchase this item. Please contact us for compatibility advice. Yealink: SIP-T19P, T20P, T21P, T22P, T26P, T27P, T28P, T41P, T23G, T29G, T32G, T38G, T40G, T42G, T46G, T48G, T41S, T42S, T48S Avaya: J139, J169, J179 and 1608, 1616, 9608G, 9611G, 9620, 9621G, 9630, 9640, 9640G, 9641G, 9650, 16CC IP Phones Grandstream: GXP1400, GXP1405, GXP1450, GXP1610, GXP1615, GXP1620, GXP1625, GXP1628, GXP1630, GXP1200, GXP2000, GXP2100, GXP2010, GXP2110, GXP2020, GXP2120, GXP2124, GXP2130, GXP2135, GXP2140
, GXP2160, GXP2170, GXP280, GXP285, GXV3005, GXV3006, GXV3240, GXV3275 IP Phones Cisco: 7902, 7905, 7905G, 7906G, 7910, 7910+SW 7911, 7912 IP Phones Snom: 300, 320, 360, 370, 710, 720, 760, 820, 821, 870, D715, D725, D375, D785 Huawei: ET325, ET523, ET525, ET685, 6805, 6810, 6830, 6850, 6870, 7810,7820, 7830, 7850, 7870, 7910, 7950 Zultys: ZIP 33G, 36G, 37G, 33i, 35i Cortelco Fanvil: C58, C58P, C62, C66 Wildix: WP410, WP480, WP480G, WP490, WP490G Alcatel temporis: IP200, IP800 AltiGen: IP805 Obi
hai: OBi1062 Aastra: 6737i FUJITSU Fujitsu 9600 system SET F10B F10D F12D 24DS FT12 FT12DS Fujitsu D-Station 32B2W SXAX Sakusa Netphone SX-II Sakusa TD615(K) Sakusa Co., Ltd. TD820(W) NTT Business Phone Smart Community αA1 αNXⅡ OKI DI2161