1, size: 51*46*13mm, weight: 12g
2. Bluetooth 5.0; Chip: JLJL AC6956A
3. Battery capacity: 140mAh; charging for about 2 hours
4. Talk/music time: 8 hours
5. Output interface: 3.5mm
6. Compatible with audio equipment with 3.5mm input interface (car, speaker, earphone, etc.)
