COMFREE MMD-0553-BL User manual

Dongguan Yujia Industry Co., Ltd
Shangye Street, Yongjun Road, Shuilang country, Dalingshan Town, Dongguan City, Guangdong
province, P.R. China
Tel: [phone] Fax: [phone]
homepage: www.yujiaindustry.com global sources: www.globalsources.com/yujialtd.co
Spec. of Stereo Bluetooth Headphone
MMD-0553-BL
A. Profile
With Bluetooth chipset built-in, this headset can be used to enjoy your music and
you won’t miss any call while you’re working. Volume adjustable, last/next song
pick up, pause function, high sensitivity microphone, no echo，with noise
cancelling. Music would pause automatically while a call’s coming in, and would
start again while you end your communication, so that you can enjoy your music
at any moment.
B. Model
MMD-0553-BL
C. Product Drawing
RR
MM
MMD-0553-BL
MIC
YUJIA INDUSTRY CO.,LTD.
审
查
TM
APPROVED BY
electronics
承
认
GREAT
DRAW NO
SCALE
CHECKED BY
制
作
DESIGNED BY
单位
比例
UNIT
图号
NAME
名称
2010.02.06
客户
DATE
日期
CLIENT

Dongguan Yujia Industry Co., Ltd
Shangye Street, Yongjun Road, Shuilang country, Dalingshan Town, Dongguan City, Guangdong
province, P.R. China
Tel: [phone] Fax: [phone]
homepage: www.yujiaindustry.com global sources: www.globalsources.com/yujialtd.co
D. Button Description：
：ON/OFF/Play/Pause/; Keep press it to power on, continued press it to
enter pairing mode . When the headphone is used to listen mobile phone music,
clicking this button for play/pause. Click it for communication when a call is entering.
：Click it for next song.
：Click it for last song.
V+ ：Volume down.
V - ：Volume up.
E. Specification：
Static Current：Under 10UA
Working Current：Under 30mA
Working Voltage：4.2V
Charge Current：30mA---150mA（Red LED light up）
Headset Output Power：Max output power：L 20mw R 20mw（32Ω）
Battery Capacity：330mAH 3.7v
Charge Time：3 hours
Working Time：Above 8 hours
Battery Life：Charge and discharge≥300 times
Available Distance：≥10M (Open and no block)
Input Voltage：DC 5V/200mA
Standby Time：Above 30 hours
Support V2.1+EDR Bluetooth version Class 2
F. User Guide
1.Pairing：
Keep press for 6---8S, the headset would search the other Bluetooth
device automatically（Blue LED /Red LED flash by turns）， then open Bluetooth
function of mobile phone, choose to search a new Bluetooth device, when mobile
phone show model MMD-0553, that means it has found the headset, choose to link
the headset, input Bluetooth default password 0000, paring succeed.
2. ►►❙for next song，❙ for last song
3.V+、V for volume adjust
4. Click for pause. Pause for50s,then the machine would shut down
automatically
5. Keep press for shut down.

Dongguan Yujia Industry Co., Ltd
Shangye Street, Yongjun Road, Shuilang country, Dalingshan Town, Dongguan City, Guangdong
province, P.R. China
Tel: [phone] Fax: [phone]
homepage: www.yujiaindustry.com global sources: www.globalsources.com/yujialtd.co
6. Use USB cable for charge. When the machine is charged, red LED light up and
would out after finishing charge.
7. Audio In：
a. Shut down the machine.
b. Plug one end of OD3.5 to OD3.5 audio cable in “AUDIO IN”OD3.5 jack of
headset。
Plug the other end of this cable in OD3.5 jack of MP3, so that it can act as a wired
headset.
G. Reliable Test.
Test Condition, normal temperature (5-35℃), normal humidity (45-85%), normal
pressure (860-1060mbar), temperature 20±2℃, relative humidity 60-70%, pressure is
860-1060mbar。
High Temperature Test: It is in normal condition after exposing at 50℃for 60
hours.
Low Temperature Test: It is in normal condition after exposing at -30℃for 60
hours.
Humidity Test: It is in normal condition after exposing at 30℃, 95% for 60
hours.
Power Test: No difference after inputting 1mW noise for 48 hours .
H. Note
1. Don’t expose product in high temperature or insulation place.
2. Don’t keep discharge product for a long time, please charge it every 15 days at
least.
I. Accessories
1. OD3.5 to OD3.5black 3 core audio wire
2. USB Ato Mini USB connector

Dongguan Yujia Industry Co., Ltd
Shangye Street, Yongjun Road, Shuilang country, Dalingshan Town, Dongguan City, Guangdong
province, P.R. China
Tel: [phone] Fax: [phone]
homepage: www.yujiaindustry.com global sources: www.globalsources.com/yujialtd.co
J. Product Photos: