Ergonomic design and low weight of the headphones (4g) allow the user to use them for a long time without getting tired The MEMS microphone provides excellent sound quality, great for making calls Made of ABS + PC material The diameter of the transducer is 13 mm and thanks to the good design it fits easily in the ear Bluetooth 5 version helps to get much better sound and stable connection with the device Can be connected up to about 10 meters Easy-to-use touchpad for music and phone control With the built-in GPS module you can find your handset using Baseus Smart The charging station has a 450mAh battery and each earphone has a capacity of 35mAh Specification: Material: ABS + PC Bluetooth: 5.0 Communication distance: 10m Standby time: up to 300h Music playing time: up to 4h Music playing time with charging case: up to 24h Battery capacity: 35mAh headphones / 450mAh headphone case Loading time: about 1.5h Frequency response: 20 Hz - 20 KHz Charging port: USB Type C