Combine your favourite tunes with your workout of choice and you’re sure to hit the endorphin-jackpot. These sporty Bluetooth earphones give you wireless freedom of movement and deliver crisp audio with a workout-boosting bass. Easily pair Boston with your device and experience 6 hours of playback and hands-free phone calls. Don’t let the rain deter you. The earphones are water and sweat-resistant (IPX5 certified). Features and Benefits GoFit - These extra-comfortable in-ear headphones have silicon wings and ergonomically shamed GoFit earbuds, ensuring the perfect fit. They come with three different earbud sizes to fit all needs. This design delivers strong bass and impeccable quality developed to give that extra push during your workout. Bluetooth 4.0 - Compatible with any Bluetooth-enabled device. This wireless feature gives you the ability to train tangle-free. The featured hands-free mic with mic and volume control gives you full control over your music letting you work out the way you want to. They’re compatible with iOS, Android and Windows devices. Water-Resistant IPX5 Rating - Urbanista encourages you to make the most of your big city life. Get out there and make the urban jungle your training ground come rain or shine with the Boston Headphones. The mesh coating and the earphones’ unique construction make them water-resistant and easy to clean so you can enjoy your city whatever the weather. Specifications Bluetooth: 5.0 Speaker size: φ14.2mm Sensitivity: 103dB+/-3dB Impedance: 32Ω ± 15% Frequency range: 20Hz~20KHz Hands-free with microphone and volume control Stand-by time: 15 days Playtime: around 6 hrs Charging: Micro USB, about 2h charging time Compatible with Android, iOS and Windows Weight: 23g (without packaging) Weight including packaging: 78g/pcs Package size: 100x27x120mm Colour: Rose Gold