1. Chip: AB5656C silicon mark, ABS material
2. Speaker: 13mm 32ohn copper ring speaker
3. Battery: 35 + 250mAh
4. Bluetooth name: L9
5. Large cargo Chinese and English sound,
6. Playing time: 60% volume for about 6 hours
7. Chamber can be fully charged by headphones: 2.5 times
8. TPC charging port, motherboard with OVP
& Comfortable to wear & Music mode & Perfect stereo sound