1. Jerry Bluetooth 5.0, 4 ohms 3 watts, single speaker
2. Material: plastic injection, no fuel injection
3. Built-in 350mAh polymer battery
4. Built-in MIC, you can answer calls
5. Support reading TF card, USB flash drive to play music
6. With passive diaphragm to enhance bass effect
7. Power supply: built-in polymer battery, power: 3W, mono
8. Playing time: about 4 hours (50% volume)
9. Audio input: wireless
10. Connection distance: Barrier-free 15 meters