Wireless and supports bluetooth connectivity, comes with a charging case. Made with exquisite workmanship, looks very nice and beautiful. Practical earphones are very convenient for people to use, especially for those who love sports. Features: - Material: Plastic. - Size: Approx. 5 x 2 x 1.5cm/ 2 x 0.8 x 0.59 inch (LxWxH). - Bluetooth version: V4.2. - Wireless range: 10-18m. - Battery capacity: 50mAh. - Charging box capacity: 1000mAh. - Music playing time: 2.5 hours. - Talking time: 2 hours. - Standby time: 130 hours. - Charging time: 1-2 hours. - Working current: 22mA. - Standby current: 4uA. - Super sound quality headset with high quality chip for best stereo sound and super bass sound. Clear high and low volume. - Make you enjoy music or watching films wireless for a long time, also more convenient to carry and charge when hiking, biking or other outdoor sports. - Easy to switch songs when listening to music; Accept incoming calls. With the built-in mic you can easily talk on the phone. - Built-in noise cancellation technology, to provide a quiet voice effect. - Compatible with most bluetooth devices such as smartphones, tablets, computers, etc. Package Includes: 1 x Pair of True Wireless Bluetooth Stereo In-Ear Earbuds Headset Earphones with Charging Case