GranVela BX240 Mini Lightweight V4.1 Wireless Bluetooth Stereo Sport Headphones for sport with Waterproof IPX5 Mic Hands-free Calling 6 hours lasting headphone, Green Latest Bluetooth 4.1 technology with A2DP stereo music provides a high quality wireless music experienc. Sweat-proof, light weight and ergonomic design optimized for maximum comfort (additional ear buds and ear hooks included) and suitable for outdoor activities. Enjoy up to 6 hours of premium quality talk/play time (with fast charging); experience acoustic highs, rich bass and incredible balance; built-in mic allows you to talk hands-free. Works seamlessly with iPhone, Android Smartphones, tablets, iPod touch, and other Bluetooth-enabled music players, mp3, Bluetooth receivers and stereo devices includes: 1 x Micro USB Charging Cable; 2 x Pair of Replacement Ear-Tips (Big and Small); 1 x Earphones box; 1 x User Guide