FeaturesiOS / Android compatibleBattery life: up to 6 hours (35 hours with charging case)Microphone / remote / volume controlWaterproof & sweatproof (IPX4)Bluetooth 5.0 & USB-C connectivityThe Defunc True Plus Wireless Sports Earphones is a top-of-the-line product with perfect fit and seamless sound. Dual microphones and adjustable heads make these the perfect choice for video conferences as well as talking to friends when you are out and about. These earbuds feature our world-unique, self-developed, consumer insight-based MultiTip™ design, to ensure long-lasting comfort. The included charging case gives 35 h of playtime and the included sport wings give you a super-secure fit at the gym and elsewhere.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 – 104dB 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 PLUS wireless charging case provides 35 hours of play-time and each earbud provides 6h of playtime or 5h of call time on a single charge.