Description: It is a new experience of outdoor sports. It is stable and hard to shake off. It can be listened to in an open way. It has 9D stereo sound effect and can listen to songs and games for up to 30 hours. Open listening without listening, control the ambient sound, and outdoor sports are safer. The ear free listening mode allows sports lovers to keep their perception of the external environment while listening to music, and enjoy sports. The ear free listening mode will not produce a closed loop with the ear canal, stethoscope effect, eardrum bulge, transparent and comfortable, close to the daily natural hearing experience, and more healthy on-site listening. Listen to songs and talk without disturbing the people around you, and have no worries about sound leakage. Use it with ease. Directional sound transmission makes sound transmission more concentrated, effectively reducing sound leakage, protecting privacy, and avoiding sound amplification. The electric cabin can be charged twice for 10 hours of continuous listening for a single time to meet the needs of long-term use. Specification: New and high quality Bluetooth version: 5.1 Battery capacity of headset: 80mAh Battery capacity of electric cabin: 400mAh Charging duration of electric cabin: about 3h Model name: S900 sports Bluetooth headset Receiving distance: 10m (barrier free) Single continuous listening: about 10 hours Net weight of electric cabin: about 45g The headset can be charged: about 2 times Charging input: 5V=- 0.5~2A Color: black, blue, white Package Included1PCS Note: There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item.