合格证
Certificate of conformity
型号：
检验员：
出厂日期：
(Model)
(Inspector)
(Date)
检
01
QC
PASS
１． Ｔｕｒｎ ｏｎ： Ｌｏｎｇ ｐｒｅｓｓ ｔｈｅ ｍｕｌｔｉ－ｆｕｎｃｔｉｏｎ ｋｅｙ ｆｏｒ ２ ｓｅｃｏｎｄｓ ｔｏ ｔｕｒｎ ｏｎ．
２． Ｓｈｕｔｄｏｗｎ： Ｌｏｎｇ ｐｒｅｓｓ ｔｈｅ ｍｕｌｔｉ－ｆｕｎｃｔｉｏｎ ｋｅｙ ｆｏｒ ５ ｓｅｃｏｎｄｓ ｔｏ ｓｈｕｔｄｏｗｎ．
Digital Display
Ｗｈｅｎ ｐｏｗｅｒ ｏｎ， ｉｔ ｗｉｌｌ ｄｉｓｐｌａｙ ｔｈｅ ｐｏｗｅｒ ｌｅｖｅｌ ａｕｔｏｍａｔｉｃａｌｌｙ．
Ｗｈｅｎ ｕｓｉｎｇ， ｌｏｎｇ ｐｒｅｓｓ ｔｈｅ ｍｕｌｔｉ－ｆｕｎｃｔｉｏｎ ｋｅｙ ｆｏｒ １ ｓｅｃｏｎｄ ｔｏ ｄｉｓｐｌａｙ
ｔｈｅ ｒｅａｌ－ｔｉｍｅ ｐｏｗｅｒ ｌｅｖｅｌ．
Matching
１．Ａｕｔｏｍａｔｉｃａｌｌｙ ｅｎｔｅｒ ｔｈｅ Ｂｌｕｅｔｏｏｔｈ ｓｅａｒｃｈ ｓｔａｔｅ ａｆｔｅｒ ｐｏｗｅｒ ｏｎ
（ｒｅｄ ａｎｄ ｂｌｕｅ ｌｉｇｈｔ ｄｏｕｂｌｅ ｆｌａｓｈ）
２．
Answer calls/reject calls
１．Ｃｌｉｃｋ ｔｈｅ ｍｕｌｔｉ－ｆｕｎｃｔｉｏｎ ｋｅｙ ｔｏ ａｎｓｗｅｒ ｔｈｅ ｃａｌｌ ｗｈｅｎ ｉｔ ｃｏｍｅｓ ｉｎ．
２．Ｐｒｅｓｓ ａｎｄ ｈｏｌｄ ｔｈｅ ｍｕｌｔｉ－ｆｕｎｃｔｉｏｎ ｋｅｙ ｆｏｒ １ ｓｅｃｏｎｄ ｔｏ ｒｅｊｅｃｔ ｔｈｅ
ｃａｌｌ ｗｈｅｎ ｉｔ ｃｏｍｅｓ ｉｎ．
Volume Adjustment
１． Ｌｏｎｇ ｐｒｅｓｓ ｔｈｅ ｐｌｕｓ ｋｅｙ ｔｏ ｉｎｃｒｅａｓｅ ｔｈｅ ｖｏｌｕｍｅ．
２． Ｌｏｎｇ ｐｒｅｓｓ ｔｈｅ ｍｉｎｕｓ ｋｅｙ ｔｏ ｄｅｃｒｅａｓｅ ｔｈｅ ｖｏｌｕｍｅ．
Switching Songs
１． Ｃｌｉｃｋ ｔｈｅ ｍｉｎｕｓ ｋｅｙ ｔｏ ｓｗｉｔｃｈ ｔｏ ｔｈｅ ｐｒｅｖｉｏｕｓ ｓｏｎｇ．
２． Ｃｌｉｃｋ ｔｈｅ ｐｌｕｓ ｂｕｔｔｏｎ ｔｏ ｓｗｉｔｃｈ ｔｏ ｔｈｅ ｎｅｘｔ ｓｏｎｇ．
Switch between Chinese and English
Ｄｏｕｂｌｅ－ｃｌｉｃｋ ｔｈｅ ｍｕｌｔｉ－ｆｕｎｃｔｉｏｎ ｋｅｙ ｔｏ ｓｗｉｔｃｈ ｔｈｅ ｖｏｉｃｅ ｗｉｔｈｏｕｔ
ｃｏｎｎｅｃｔｉｎｇ Ｂｌｕｅｔｏｏｔｈ
（ｄｅｆａｕｌｔ Ｃｈｉｎｅｓｅ ｂｏｏｔ）
On / off
XDK-F90-AB5756H-V1.5
User Manual
0
Ｔｕｒｎ ｏｎ ｙｏｕｒ ｐｈｏｎｅ＇ｓ Ｂｌｕｅｔｏｏｔｈ ａｎｄ ｃｌｉｃｋ ｏｎ ｔｈｅ ｄｉｓｐｌａｙｅｄ ｐａｉｒｉｎｇ ｎａｍｅ
Ｆ９０ ｆｏｒ ｓｕｃｃｅｓｓｆｕｌ ｐａｉｒｉｎｇ．
Open Ear Bluetooth
5.5 Wireless Earbuds
FCC Statement
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
-- Consult the dealer or an experienced radio/TV technician for help.
Any Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
This equipment complies with the FCC radiation exposure limits set forth for an uncontrolled
environment, This transmitter must not be co-located or operating in conjunction with any other
antenna or transmitter.
