BS-H2 Aura · Over-Ear Bluetooth Headphones | BLUESEED
Bluetooth 5.4 (10-meter obstacle-free range), 40mm four-hole speaker, 3.7V/400mAh battery, 20-hour playtime, 5-8 minutes auto power-off. Type-C interface, supports volume/song adjustment, call control, FM/TF/Bluetooth modes, English broadcasts, voice prompts, and battery indicator, net weight 180g.

BS-H2 Aura · Over-Ear Bluetooth Headphones
Bluetooth Version: Zhongke TB2181 V5.4 Transmission Distance: 10 meters (obstacle-free) Speaker Diameter: 40mm four-hole Usage Time: 20 hours Standby Time: 5-8 minutes auto power-off Polymer Battery: 3.7V/400mAh lithium battery with protective plate Charging Interface: Type-C charging interface Functions: Volume adjustment, song switching, answer call, reject call, hang up, Bluetooth playback, call redial, Bluetooth reconnection, voice prompt, battery indicator, FM radio, TF card, English broadcast only Net Weight: 180g