1. Battery capacity: 800mAh
2. Input: 5V 0.75A
3. Usage time: about 40-60H
4. Interface: Type-C
5. Bluetooth version: 5.0
6. Packing list: headphones, manual, audio cable, charging cable
7. Size: about 18.5 x 17.6 x 8cm
8. Weight: about 246g

Features:
1. Double noise reduction, isolate 90% of ambient noise
2. 40mm large moving coil, vivid original sound
3. Support dual devices connected together
4. 22 kinds of preset sound effects, customized sound effects
5. Equipped with 3.5mm audio interface, wireless and wired can be listened to
6. Foldable design, easy to store and carry
7. Metal decompression headband, durable and texture, with decompression cushion, long time wear without head pressure, slow rebound ear cups