1. Battery voltage: 3.7V
2. Charging input: 5V 500mA
3. Battery capacity: 400mAh
4. FM range: 50-108MHz
5. Frequency range: 200-20KHZ
6. Bluetooth version: Bluetooth 5.2
7. Endurance: 12h
8. Charging time: 2h
9. Weight: about 207g

Features:
1. Bluetooth 5.2 version, low latency, strong anti-interference, AUX audio connection, HD call
2. DSP filter chip, signal stability without noise, professional digital radio chip, clear radio
3. Three modes of switching, radio/Bluetooth/plug-in, support wired output audio, compatible with a variety of devices
4. All-inclusive skin-friendly large earmuffs, no sound leakage, smooth and delicate touch, close to the ear design, keep the good sound
5. 40mm dual drive unit, hear the music level, feel the wonderful experience of note beating
6. Large-capacity lithium battery, continuous playback of about 12 hours, strong endurance, LED display, wearing more comfortable
7. Bluetooth + FM + wired connection, foldable design, flexible storage, does not take up space, easy to carry