Product Specification: Product model:TWSX9version 5.0,latest chip modeltransmission distance(m): 10-15mBluetooth chip:Bluetooth 5376Afrequency range: 2.42-2.48GHzcharging time: 1.5-2hoursstandby time:120hourstalking time:3.5-4hoursmusic time:3.5-4hourscharging time 2-3hoursCycle rechargeable times:4-5 timesRated power consumption is 3 milliwatts and product power consumption is 13 milliampshorn specification: Φ6 real copper ring hornhorn frequency response: 20Hz`20KHz, horn impedance: 32 Ω,Heavy bass effectLarge digital display screen,Display power, display charging status, ear protector switch, open cover and connect, double call, Built-in sterilizing lamp, uv sterilizing 20 seconds after closing cover, binary function , connect any earphone, the other earphone is automatically connected, type-c interface.