The Defunc TRUE GO SLIM, the little brother of Defunc TRUE GO, provides a seamless sound and communication experience in a small size. The earbuds feature our world-unique, self-developed, consumer insight-based MultiTip design, to ensure long-lasting comfort. Sport wings included! Features and Benefits True Wireless Sound & Bluetooth 5.0 - The most advanced Bluetooth sound quality A2DP AVRCP HFP SBC total wireless stereo sound for fast and audible transfer without lag, stutter, or tangling. Instant 1-Step Pairing - Place the earbuds in your ears and select them from your mobile phone Bluetooth settings in 1 tap both earbuds are paired. Secure Fit & Loud Powerful Sound - 105dB maximum sound output with a secure silicone fit with big base performance and great low range. Huge improvements over average models. IPX4 Waterproof earbuds - Perfect for exercise, running, cycling, gym and outdoor sports. Splashproof design. Do not submerge in water. Charge On The Go Anywhere - Defunc TRUE GO