1. Bluetooth: V5.0
2. Built-in Lithium-ion Battery; with protect IC 300mAh
3. Compatible, mobile/computer/MP3/MP4
4. Chip: RDA
5. Frequency response: 20Hz-20KHz, SNR: ≥80db
6. Output: 4Ω3Wx1
7. With Handfree function, USB, micro sd slot,
2. Built-in Lithium-ion Battery; with protect IC 300mAh
3. Compatible, mobile/computer/MP3/MP4
4. Chip: RDA
5. Frequency response: 20Hz-20KHz, SNR: ≥80db
6. Output: 4Ω3Wx1
7. With Handfree function, USB, micro sd slot,