Shenzhen Hongfu Intelligent Technology Intercom Headset

Extra model names/numbers: T6 PLUS, V2, V3, V4, V5, V6, V7, V8, V9, T2, T3, T4, T5, T6, T7, T8, T9, S2, S3, S4, S5, S6, S7, S8, S9