{"id":29530,"date":"2026-10-08T03:27:37","date_gmt":"2026-10-08T03:27:37","guid":{"rendered":"https:\/\/firstclassint.com\/product\/sk-ultra-thin-sleep-earbuds-wireless-bluetooth-earphones-invisible-ear-buds-hidden-in-ear-button-sports-headset-waterproof\/"},"modified":"2026-10-08T03:28:16","modified_gmt":"2026-10-08T03:28:16","slug":"sk-ultra-thin-sleep-earbuds-wireless-bluetooth-earphones-invisible-ear-buds-hidden-in-ear-button-sports-headset-waterproof","status":"publish","type":"product","link":"https:\/\/firstclassint.com\/es_es\/producto\/sk-ultra-thin-sleep-earbuds-wireless-bluetooth-earphones-invisible-ear-buds-hidden-in-ear-button-sports-headset-waterproof\/","title":{"rendered":"SK Ultra-thin Sleep Earbuds Wireless Bluetooth Earphones Invisible Ear Buds Hidden In Ear Button Sports Headset Waterproof"},"content":{"rendered":"

SPECIFICATIONS<\/h1>\n

 <\/p>\n

Active Noise-Cancellation: Yes<\/span><\/p>\n

Audio latency: 0<\/span><\/p>\n

Battery Capacity[mAh]: 300<\/span><\/p>\n

Battery life up to[hours]: 480<\/span><\/p>\n

Bluetooth Version: 5.3<\/span><\/p>\n

Brand Name: NONE<\/span><\/p>\n

Category: Earphones & Headphones<\/span><\/p>\n

Certification: CE,FCC,RoHS<\/span><\/p>\n

Charging Method: Charging case<\/span><\/p>\n

Charging Time: 1<\/span><\/p>\n

Choice: yes<\/span><\/p>\n

Codecs: AAC,sbc<\/span><\/p>\n

Communication: True wireless<\/span><\/p>\n

Connectors: Type c<\/span><\/p>\n

Control Button: Yes<\/span><\/p>\n

Control Method: Push button<\/span><\/p>\n

Department: Unisex-adult<\/span><\/p>\n

Depth[mm]: 105<\/span><\/p>\n

Driver Diameter: 14.2<\/span><\/p>\n

Earcups Type: Sealed<\/span><\/p>\n

Features: Waterproof,With microphone,Apple Siri Support,Active Noice Cancelling<\/span><\/p>\n

Frequency Response Range: 20 – 20000<\/span><\/p>\n

Function: for Video Game,HiFi Headphone,Sport,For Outdoor,For Office,For Sleep<\/span><\/p>\n

Headphone Pads Material: Other<\/span><\/p>\n

Height[mm]: 30<\/span><\/p>\n

High-concerned chemical: none<\/span><\/p>\n

Impedance Range: up to 32 \u2126<\/span><\/p>\n

Is wireless: Yes<\/span><\/p>\n

Line Length: 0.25<\/span><\/p>\n

Magnet Type: Neodymium<\/span><\/p>\n

Material: Plastic<\/span><\/p>\n

Max Output: 2<\/span><\/p>\n

Maximum wireless range[m]: <10m<\/span><\/p>\n

NFC Technology: no<\/span><\/p>\n

Number Of Drivers: 2<\/span><\/p>\n

Origin: Mainland China<\/span><\/p>\n

Package List: User Manual,Charging case,Charging Cable<\/span><\/p>\n

Plug Type: NONE<\/span><\/p>\n

Resistance: 32<\/span><\/p>\n

Sensitivity: 125<\/span><\/p>\n

Signal To Noise Ratio: 95 db<\/span><\/p>\n

Sound Isolating: Yes<\/span><\/p>\n

Speaker maximum output power: 1<\/span><\/p>\n

Style: Tws in-ear headphones<\/span><\/p>\n

Support APP: Yes<\/span><\/p>\n

Support Memory Card: No<\/span><\/p>\n

Total Harmonic Distortion: 1<\/span><\/p>\n

Vocalism Principle: Dynamic<\/span><\/p>\n

Voice assistant built-in: Yes<\/span><\/p>\n

Volume Control: Yes<\/span><\/p>\n

Waterproof: Yes<\/span><\/p>\n

Weight[g]: 80<\/span><\/p>\n

Width[mm]: 95<\/span><\/p>\n

Wireless Type: Bluetooth<\/span><\/p>\n

With Microphone: Yes<\/span><\/p>\n

semi_Choice: yes<\/span><\/p>\n

whether electrical: No<\/span><\/p>\n

 <\/p>\n

Let Your Sleeping And Sports To Fully Enjoy The Freedom Of Music!<\/strong><\/span><\/h3>\n

Parameters\uff1a<\/span><\/strong><\/p>\n

Bluetooth version: 5.3<\/span><\/p>\n

Available system: iOS\/Android<\/span><\/p>\n

Battery capacity(case): 300mAh<\/span><\/p>\n

Standby Time: About 480h<\/span><\/p>\n

Charging port: Type-C<\/span><\/p>\n

Charging Voltage: DC 5V<\/span><\/p>\n

Headphone Charging Time: about 1h<\/span><\/p>\n

Bluetooth profiles: HFP\/HSP\/A2DP\/AVRCP<\/span><\/p>\n

Low Power Reminder: Voice<\/span><\/p>\n

IPX7 Waterproof and Dustproof<\/span><\/p>\n

HD HIFI High Quality, Offers Stunning Sound<\/span><\/p>\n

\n
\n

<\/p>\n

FAQ:<\/span><\/strong><\/p>\n<\/div>\n<\/div>\n

Q: What should I do if the earphones doesn’t connect to my device?<\/span><\/p>\n

A: Please delete the connection record and reconnect it with the mobile phone.<\/span><\/p>\n

 <\/p>\n

Q: What should I do if one earbud have no sound while the other one is normal?<\/span><\/p>\n

A: Please place the earphones back to the charging case, then open the case and reconnect it to the mobile phone. If it doesn’t work, please reset the earphones and try again.<\/span><\/p>\n

 <\/p>\n

Q: Why the connection is not stable and cut out intermittently?<\/span><\/p>\n

A: 1. Please make sure there are no objects between the earphones and your Bluetooth device, and make sure<\/span><\/p>\n

there is no radio or Wi-Fi interference nearby.<\/span><\/p>\n

2.\u00a0<\/span>Reset your earbuds.<\/span><\/p>\n

 <\/p>\n

Easy to connect,No burden in the ears. creating a unique music experience for you, allowing you to fully enjoy the freedom of music! Upgrading the sound quality of your phone, let you feel the true charm of music. Combining high-quality sound effects with unique design, Bluetooth earphones bring you excellent enjoyment in both sound quality and appearance!<\/p>\n

There are more than N reasons that make you excited!<\/p>\n

Million hot sales Multiple discounts. Free shipping!<\/p>\n","protected":false},"excerpt":{"rendered":"

SPECIFICATIONS   Active Noise-Cancellation: Yes Audio latency: 0 Battery Capacity[mAh]: 300 Battery life up to[hours]: 480 Bluetooth Version: 5.3 Brand Name: NONE Category: Earphones & Headphones Certification: CE,FCC,RoHS Charging Method: Charging case Charging Time: 1 Choice: yes Codecs: AAC,sbc Communication: True wireless Connectors: Type c Control Button: Yes Control Method: Push button Department: Unisex-adult Depth[mm]: […]<\/p>\n","protected":false},"featured_media":29509,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[109],"product_tag":[],"class_list":["post-29530","product","type-product","status-publish","has-post-thumbnail","product_cat-first-class-select","first","instock","shipping-taxable","purchasable","product-type-variable"],"cubewp_post_meta":[],"taxonomies":["variable","First Class Select"],"_links":{"self":[{"href":"https:\/\/firstclassint.com\/es_es\/wp-json\/wp\/v2\/product\/29530","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/firstclassint.com\/es_es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/firstclassint.com\/es_es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/firstclassint.com\/es_es\/wp-json\/wp\/v2\/comments?post=29530"}],"version-history":[{"count":1,"href":"https:\/\/firstclassint.com\/es_es\/wp-json\/wp\/v2\/product\/29530\/revisions"}],"predecessor-version":[{"id":29537,"href":"https:\/\/firstclassint.com\/es_es\/wp-json\/wp\/v2\/product\/29530\/revisions\/29537"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/firstclassint.com\/es_es\/wp-json\/wp\/v2\/media\/29509"}],"wp:attachment":[{"href":"https:\/\/firstclassint.com\/es_es\/wp-json\/wp\/v2\/media?parent=29530"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/firstclassint.com\/es_es\/wp-json\/wp\/v2\/product_brand?post=29530"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/firstclassint.com\/es_es\/wp-json\/wp\/v2\/product_cat?post=29530"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/firstclassint.com\/es_es\/wp-json\/wp\/v2\/product_tag?post=29530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}