[Pure Monster Sound] - Monster Achieve AirLinks Wireless Earbuds is Designed and Engineered by Noel Lee and the Monster Team in the US. The unique digital audio processor pumps up deep bass and enhances the clarity of the mids and highs of the Bluetooth earbuds. The professional driver gives your music a wider soundstage with exceptional accuracy and crystal-clear clarity across the entire frequency range.

[Stable Connection] - Latest Bluetooth 5.0 to provide greater wireless range, faster and stable connection without tangling from your iPhone, Samsung, Android, Laptop, Mac and all other Bluetooth devices. With the phone connected, double - click MFB to activate voice assistant.

[Single & Couple] - Support working together to enjoy stereo sound, or using one earbud only for preference or driving safety. Different from the previous version or other brands, Monster True Wireless In-ear Headphones provide HiFi stereo sound at both music and phone calls.

[Comfort & Snug Fit] - Ergonomic design provides a comfortable and secure fit. Multiple size ear tips (S, M, L) will bring a perfect match for wearing.

[IPX5 Water Resistant]–The Monster wireless earphones are totally splashproof, rainproof and sweatproof, great wireless earbuds for sports, running or workout. With IPX5 certification the Bluetooth earbuds can resist gentle water spray and splash but cannot be partially or fully submerged