ANKER SoundCore Space One S1 Smart Noise Reduction Headband Wireless Bluetooth Headset 1. Transmission: 5V 0.58A 2. Battery capacity: 580mAh 3. Charging interface: Type-C 4. Bluetooth version: 5.3 5. Codec: AAC, SBC, LDAC 6. Size: about 18.7 x 16.3 x 9.2cm 7. Weight: about 260g Features: 1. Triple noise reduction acoustic system, significantly improve the noise elimination ability of the middle and high frequency bands, to achieve a wider frequency noise reduction effect 2. Environmental adaptive, accurate monitoring of environmental noise, following the scene automatically switch the most suitable noise reduction effect 3. Intelligent algorithms linking multiple microphones to accurately pick up human voices while reducing ambient noise, allowing for smooth calls even in noisy environments 4. 8-degree adjustable, fit different face shapes, lightweight integrated head cushion, comfortable to wear for a long time, high rebound skin-friendly earmuffs, soft and not pressure on the ear 5. 40mm large dynamic coil 6. Based on HEARLD sound test, AI intelligent compensation for the lack of different frequency bands, matching each ear with an exclusive sound 7. Intelligent wear detection, take off the pause wear play (this function needs to be enabled in the APP) 8. Intelligent one to two, connect two devices at the same time (when connecting two devices can not receive the sound of two devices at the same time, you need to manually switch) 9. Intelligent dialog mode, headphones can be removed without fast dialog (this feature needs to be enabled in the APP)