1. Battery capacity: 1200 mA
2. Life time: 20 hours
3. Independent op amp IC, allowing you to broadcast lossless audio transmission on different platforms at the same time
4. Solve the problem that one sound card cannot connect to multiple mobile phones for live broadcasting, compatible with 99% live sound cards
5. Independent intelligent processing chip, no jam, shielding current interference
6. Support most live K song platforms