1, size: 51*46*13mm, weight: 12g2. Bluetooth 5.0; Chip: JLJL AC6956A3. Battery capacity: 140mAh; charging for about 2 hours4. Talk/music time: 8 hours5. Output interface: 3.5mm6. Compatible with audio equipment with 3.5mm input interface (car, speaker, earphone, etc.)
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