<\/p>\n
Boost your sound with Sennheiser\u2019s CX 300S earphones which offer amazingly detailed sound reproduction and enhanced bass response thanks to Sennheiser\u2019s transducer technology. S, M, L) to choose from. A Smart remote enables you to play\/pause music and take calls across all devices.<\/p>\n
Make sure this fits by entering your model number.
\nNote : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ear
\nPrecision german engineering ensures excellent audio clarity, so you will hear every detail of your music.
\nOne button inline smart remote makes it convenient to play and pause music and take calls without needing to fumble with your phone.
\nFour sizes (xs, s, m, l) of ear adapters are included so you can get an individualized fit for personal comfort.
\nIn ear design creates a secure fit for excellent reduction of ambient noise so you can relax and focus on the music.
\nConnectivity technology: Wired
\nConnector type: 3.5 millimeter Jack<\/p>\n","protected":false},"excerpt":{"rendered":"
Make sure this fits by entering your model number.
\nNote : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ear
\nPrecision german engineering ensures excellent audio clarity, so you will hear every detail of your music.<\/p>\n","protected":false},"featured_media":2881,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[326],"product_tag":[],"class_list":{"0":"post-2876","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-electronics","7":"pa_batteries-1-lithium-ion-batteries-required","8":"pa_brand-visit-the-sennheiser-consumer-audio-store","9":"pa_color-red","10":"pa_color-white","11":"pa_colour-black","12":"pa_date-first-available-february-1-2019","13":"pa_item-model-number-cx-300s-black","14":"pa_item-weight-0-38-ounces","15":"pa_language-english-english-english-english-english","16":"pa_manufacturer-sennheiser","17":"pa_product-dimensions-0-5-x-0-5-x-0-5-inches","19":"first","20":"instock","21":"sale","22":"taxable","23":"shipping-taxable","24":"purchasable","25":"product-type-variable"},"exclude_global_add_ons":[],"addons":[],"jetpack-related-posts":[{"id":8754,"url":"https:\/\/anythingtechnicallc.com\/index.php\/product\/bose-soundsport-wireless-earbuds-sweatproof-bluetooth-headphones-for-running-and-sports-black-renewed\/","url_meta":{"origin":2876,"position":0},"title":"Bose SoundSport, Wireless Earbuds, (Sweatproof Bluetooth Headphones for Running and Sports), Black (Renewed)","date":"February 28, 2026","format":false,"excerpt":"Powerful audio to keep you moving,\u00a0 When in the middle of a strenuous workout, earbuds need to stay in place. That\u2019s exactly what Bose designed their StayHear+ Sport tips to do. The tip is formed in a unique shape to create a gentle seal at the entrance of the ear\u2026","rel":"","context":"Similar post","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/anythingtechnicallc.com\/wp-content\/uploads\/2026\/02\/Bose-SoundSport.jpg?fit=901%2C1200&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":8800,"url":"https:\/\/anythingtechnicallc.com\/index.php\/product\/shokz-openmove-open-ear-bluetooth-sport-headphones-bone-conduction-wireless-earphones-sweatproof-for-running-and-workouts-with-sticker-pack-grey\/","url_meta":{"origin":2876,"position":1},"title":"SHOKZ OpenMove – Open-Ear Bluetooth Sport Headphones, Bone Conduction Wireless Earphones, Sweatproof for Running and Workouts, with Sticker Pack, Grey","date":"March 14, 2026","format":false,"excerpt":"Open-Ear Headphones - Experience unmatched comfort with our lightweight, secure fit, featuring an earbud-free design for all-day listening without ear fatigue.(Rebranded version of AfterShokz OpenMove).\u00a0 Secure Fit - From light jogs to everyday commutes, a wraparound titanium frame keeps your bone conduction headphones in place during a range of low\u2026","rel":"","context":"Similar post","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/anythingtechnicallc.com\/wp-content\/uploads\/2026\/03\/514DHeZb-UL._AC_SL1500_.jpg?fit=1200%2C664&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":8790,"url":"https:\/\/anythingtechnicallc.com\/index.php\/product\/shokz-openrun-bone-conduction-headphonesopen-ear-bluetooth-wireless-sport-headphones-for-running-workoutsweat-resistant-long-8h-playtimemichair-band-standard-black\/","url_meta":{"origin":2876,"position":2},"title":"SHOKZ OpenRun Bone Conduction Headphones,Open-Ear Bluetooth Wireless Sport Headphones for Running & Workout,Sweat Resistant, Long 8H Playtime,Mic,Hair Band-Standard-Black","date":"March 14, 2026","format":false,"excerpt":"Open-Ear Comfort - OpenRun\u2019s innovative design features a featherweight, wraparound frame and wireless, open-ear fit for comfortable, earbud-free listening. Includes Shokz headband.\u00a0 Safety & Connection - Stay aware and motivated through any workout with our 8th generation bone conduction technology. OpenRun delivers quality audio while leaving your eardrums open to\u2026","rel":"","context":"Similar post","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/anythingtechnicallc.com\/wp-content\/uploads\/2026\/03\/41BJP39NtLL._AC_SL1500_.jpg?fit=1123%2C502&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":8766,"url":"https:\/\/anythingtechnicallc.com\/index.php\/product\/used-sennheiser-ie-400-pro-professional-in-ear-monitoring-headphones-clear\/","url_meta":{"origin":2876,"position":3},"title":"Used Sennheiser IE 400 PRO Professional In-Ear Monitoring Headphones, Clear","date":"March 3, 2026","format":false,"excerpt":"Experience pro-level audio with these Sennheiser in-ear monitors, perfect for live stage performances. Achieve superior noise isolation up to 26dB, ensuring crystal-clear sound even in loud environments. 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