2021 New Good Sounds HXSJ VJ033 Multifunctional One-ear Headphone Upgraded 3 Modes Wireless Wired Bluetooth 5.0 Headset Headphones with LED Light Stereo Wireless LED Microphone FM Radio Earphone
- Bluetooth version：bluetooth 5.0
- Operation distance：10m / 33FT
- Transmitting power: Class 2
- Sensitivity: 108dB ±5dB
- Frequency response: 20Hz-20 KHz
- Speaker：φ40mm
- Impedance：32Ω
- TF card supports：128M-32G
- Battery Capacity: 500mAh
- Talking time：8-12 hours
- Music playing time: 8-12 hours
- Charging time: 1.5-2 hours
