In-Ear wireless headphones. Features: 10 hour battery life with speed charge. Featherweight, durable aluminum construction for long lasting comfort in all of your athletic or everyday activities. 3-Button remote with Microphone and voice assistant. Ergonomic ear tips. Sweatproof. Reflective cables. Specs: Driver Size: 5.8mm Dynamic Driver. Frequency Response: 10Hz - 22kHz. Impedance: 14 Ohm. Support: BT 4.2, A2DP v1.3, AVRCP v1.5, HFP v1.6, SBC codec. Weight: 15g. Colour: Blue.