| 品牌：佳维恒信 | 型号：YD-003 | 屏幕色彩：65536色 |
| 接口：USB 2.0 | 支持音频格式：mp3 | 续航时间：无限制（小时） |
| 重量：0.12（g） | FM功能：无FM功能 | 录音功能：无录音功能 |
| 直录功能：无直录功能 | 游戏功能：不支持游戏功能 | 适用送礼场合：公关策划、开业典礼、商务馈赠、员工福利、周年庆典、展销会、婚庆、乔迁、生日、广告促销、节日、颁奖纪念、其他 |
| 加印LOGO：可以 | 加工定制：是 | 内存容量：无内存 |
无内存插tf卡耳机运动型mp3 运动mp3 耳机mp3多款可选择
this product is especially designed to match the shape of your head.
therefore it will feel comfortable, and stay in place while doing sports.
with its fashionable appearance and built-in mp3(&wma) player with hifi stereo earphones (sound output up till 85db ) you can always enjoy high music.
when the built-in lithium battery fully charged, it can play music for about 4 hours.
the parameter of technique:
1. support format: mp3/wma/wav
2. content: tf card
3. s/n ratio: ≥86db
4. output frequency: 20hz-20 khz
5. batteries: built in rechargeable li-ion battery
6. interface：usb 2.0
7. operating system: windows 98/2000/xp
8. working stabilization: -10~45 degree
9. play/pause press: easy to work
10. replay press
11. the press of vol control (+/-)
12. option press: previous/next
13. loudspeaker: power 2×10mw
