Wantek Single Ear RJ9 Telephone Headset with Microphone for Landline Phones Clear for Qualified Noise-Canceling - Calling, Ultra-Lightweight,

------------------------------------------------------------------------------------------------------------------ 【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. ------------------------------------------------------------------------------------------------------------------

[Landline phones suitable for specific models] Please refer to the list of compatible phones in the description. Cisco compatibility: 7931G, 7940, 79406, 7941, 7941G, 7942, 7942G, 7945, 7945G, 7960, 7960G, 7961, 7961G, 7962, 7962G, 7965, 7965G, 7970, 7970G, 7971, 7971G, 7975, 7975G, 6821, 6841, 6851, 6921, 6941, 6945, 6961, 7811, 7821, 7841, 7861, 8811, 8841, 8845, 8851, 8861, 8941, 8945, 8961, 9951, 9971. Compatibility with Plantronics: M10, M12, M22 & MX10. [Not applicable to mobile phones and computers] 【Clear Calls】 - Equipped with the latest noise-reducing microphone technology, it significantly reduces ambient noise and breathing sounds, allowing the other party to hear you better. The headphone speaker uses the latest chip to suppress unpleasant sounds, effectively protect your hearing, and transmit the other party's voice more clearly. 【Comfortable Feel】 - This ultra-lightweight wired hands-free RJ9 office phone headset features high-density foam ear pads, ensuring comfort even after all-day wear. The headband is adjustable to fit your head size, allowing you to find the perfect position for you. 【Ultra-Durable】 - With its precision design, high-quality plastic, unibody headband structure, and high-quality microphone, this call center phone headset with an RJ9 jack is more robust and durable. Suitable for call centers, hospitals, offices, homes, insurance, businesses, schools, banks, and telephone counseling services. [2-Year Warranty and Compatibility Notes] This product comes with a 2-year warranty from the date of purchase. It is compatible only with the specific phone models listed in the description (including, but not limited to, these). It is not compatible with smartphones or computers. For other phones, please contact us for compatibility guides or advice. [Landline phones suitable for specific models] Please refer to the list of compatible phones in the description. Cisco compatibility: 7931G, 7940, 79406, 7941, 7941G, 7942, 7942G, 7945, 7945G, 7960, 7960G, 7961, 7961G, 7962, 7962G, 7965, 7965G, 7970, 7970G, 7971, 7971G, 7975, 7975G, 6821, 6841, 6851, 6921, 6941, 6945, 6961, 7811, 7821, 7841, 7861, 8811, 8841, 8845, 8851, 8861, 8941, 8945, 8961, 9951, 9971. Compatible with Plantronics: M10, M12, M22 & MX10. [Not suitable for mobile phones and computers] 【Clear Calls】 - Equipped with the latest noise-canceling microphone technology, it significantly reduces ambient noise and breathing sounds, allowing the other party to hear you better. The headphone speaker uses the latest chip to suppress harsh sounds, effectively protect your hearing, and transmit the other party's voice better. 【Comfortable Feel】 - Ultra-lightweight wired hands-free RJ9 office phone headset The ear pads are made of high-density sponge, so your ears won't hurt even after wearing them all day. The headset's headband can be adjusted to fit your head size, allowing you to find the perfect position for you. [Ultra-Durable] - With precision design, high-quality plastic, a unibody headband structure, and a high-quality microphone, this call center phone headset with an RJ9 jack is more robust and durable. Suitable for call centers, hospitals, offices, homes, insurance, businesses, schools, banks, and telephone counseling services. [2-Year Warranty and Compatibility Notes] This product comes with a 2-year warranty from the date of purchase. It is only compatible with the specific phone models listed in the description (including, but not limited to). Not for smartphones or computers. For other phones, please contact us for a compatibility guide or advice.