TWS Swiss Peak Wireless In-Ear Headphones - TWS (True Wireless Stereo) wireless earphones, BT 5.0, made of ABS, call answering function, music and stereo phone calls, 500 mAh case that serves as a charging station included, 50 mAh headphone battery allows you to play music for up to 3 hours, rechargeable using the case in 2 hours, range up to 10 meters, different sizes of earbuds included, product carbon footprint: 0.7 kg CO2