The Volkano Rush Bluetooth Earphones are ideal for active or sporty lifestyle. Take and reject calls with the Volkano Rush Bluetooth In-Ear earphones. They are light weight and comfortable to wear. Features: - Bluetooth standard: v4.0 - Call function - Transmitting power: Class 2 - Sweat Resistant - Radio Frequency: 2.4GHz-2.48GHz - Compatible with most phones and devices supporting Bluetooth v4.0 - Music Playing Time: 5-6h What's in the box 1 x Earphones