WA275ZB FCC ID: 2AIXNWA275ZB FCC ID: 2AIXNWA275ZB TWS Bluetooth Headset User Manual Bluetooth headset should be used with the compatible devices which support Bluetooth wireless technology. This allow you to make two calls and enjoy the music streaming at any time freely. Please read this user manual carefully before using the headset, and also read your devices user manual regarding the Bluetooth function, and pay attention important safety and maintenance information. Please keep the headset away from children. those to Specifications Bluetooth Version Bluetooth Profiles Supported Audio Decoding Protocol Transmission Power Operation Range Frequency Range Battery of Headset Charging Voltage of Headset Charging Time of Headset Battery of Base Charging Voltage of Base Charging Time of Base Charging Headset Times from Charging Base Music Playing Time Talk Time Standby Time Driver Driver sensitivity Driver impedance Driver frequency ring range Dimensions of Charging Base(mm) Dimensions of Headset(mm) Weight(one headset) Total Weight V5.0 HFP, A2DP, AVRCP SBC Class 2 Up to 10 meters 2.4GHz-2.48GHz 50mAH Li-polymer Battery DC 50.25V About 1.5 hours 450mAH Li-polymer Battery DC 50.25V About 1.5 hours 2~3 times Up to 3 hours 80% volume Up to 3.5 hours About 80 hours 8mm 1013dB(1kHz) 32 20Hz-20kHz L92.5W35.6H30 L27.3W17H21.5 About 4g About 50g
*The time mentioned above may vary due to user's operation mode and device settings. 1 2 3 4 5 6 7 Structure Sketch 2 1 4 3 5 6 7 8 1MFB 2 Earbuds Charging Indicator(Mic) 3Drivers 4Charging Pogo Pin 5Charging Base Openning Snap 6Left Charging Base Indicator 7 Right Charging Base Indicator 8Micro USB Charging Port Wearing Steps:
Step Erect headset and them into the cochlea Step Slightly rotate headset until it firm Headset Mode Status No. Status Single Pairing The headset(R) TWS Pairing Music Mode Calling Mode Charging Base Performance The indicator light of headset(R) flashes red and blue alternately. After TWS pairing successed, the indicator light of the right flashes red and blue alternately. Step Make the headset to cochlear edge tightly. No indicators. No indicators. Headset Charging Mode Turn-on Mode Power-Off State The indicator light of the headset is red when being charged, and will turn off automatically after being fully charged. The indicator light flashes blue for 3 times. The red indicator light will be on for 1 second and will be off after turning off. Charging Ways of Headset Charging Base Mode Status No. Status Headset Performance 1 2 Earbuds Charging mode The right indicator will be green, and will be off after being fullly charged. Base Charging mode The left indicator will be red, and will be off after being fullly charged. Identify according to L&R and wear the headset (R) and headset (L) respectively HeadsetR HeadsetL The indicator light will be green when earbuds are charged. Put the headset (L) (R) to the corresponding position in the bottom of the charging base. Charging Ways of Charging Base Use the USB charging cable to charge The indicator light will be red when earbuds are charged. USB Charging Port Use the USB cable to connect with computer Use the USB cable to connect with mobile phone charger Note 1:
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Check the charging device suitable to the headset or not. Use only the supplied charger to charge the headset, if use other device may violate the validation or the maintenance article of this product and may cause danger. Do not attempt to open the built-in batttery to avoid damaging the headset. A fully charged headset will lose its power automatically if being left unused due to transient current. Please charge the headset one per three month even not using. Do not leave the headset in a too hot or too cold condition (best between -10 and 50) which may affect the headset's operations although it is fully charged. Do not dispose of the headset into fire or water. r. Turning ON/OFF Method In OFF MODE, press and hold headset(R) or headset(L) MFB for 2 seconds to turn on. In ON MODE, press and hold headset(R) or headset(L) MFB for 3 seconds to turn off. Method Pick up the headsets from the charging base to turn on automatically. Put them back and close the case cover to power off. TWS Pairing 2s Answer/End A Call When call incoming, short press MFB of headset(R) or headset(L) to answer the call. In call mode, long press MFB of headset(R) or headset(L) to end the call. Pre/Next Song In music playing mode, double click MFB of headset(R) to next song, double click MFB of headset(L) to previous song. On off state, press the MFB of headset R and headset L for 2 seconds to power on. Two headsets will enter auto-pairing mode.The two headsets will connect with each other after few seconds and the main(right) headset flashes red and blue alternately, then open the phone's Bluetooth function to search WA275ZB. Pick up the two headsets from the charging base to power on, Two headsets will auto enter pairing mode. The two headsets will connect with each other after few seconds and the main(right) headset flashes red and blue alternately, and then open the phone's Bluetooth function to search WA275ZB. 6 6 Right Charging Base Indicator Reject A Call Press and hold MFB of headset(R) or headset(L) for 1 second to reject the call. Delete Pairing Records on the Headset In OFF mode and earbuds are not in charging case, long press MFB of R and L for about 10 seconds until the blue indicator is on for 1 second. Maintenance Do not use abrasive cleaning solvents to clean the headset. Do not allow the headset to touch with any sharp objects as this will cause scratching and damages. Please keep headset away from high-temperature, humidity and dust. Notice:
1. The headset (R) can not volume down and previous song when use singly. 2. The headset (L) can not use independently. Cell phone begins to search for Bluetooth devices (see the user guide of your phone instructions), and select WA275ZB from bluetooth device list. After connecting with the cell phone, the headsets will prompt Connected. Voice Dialing On standby mode or music playing mode, long press MFB for 1 second to awake the voice dialing function, the headset prompts Di. Note: This feature only supports phone with voice dialing function. Bluetooth ON WA275ZB Connect TWS Reconnected Method1:
Method2:
Press and hold MFB of headset(R) or headset(L) for 2 seconds to power onwait for few seconds, the two headsets connect automaticallythe headset pair with the mobile phone that has ever pairedreconnected successfully. Pick up the headsets from charging base to power onwait for few seconds, the two headsets connect automaticallythe headsets pair with the mobile phone that has ever paired after few seconds reconnected successfully. Note:
The headset(R)(L) will prompt "power on", left headset prompts "left channel" , the right headset prompts "right channel". After connected with mobile phone successfully, the right headset prompts connected. Music Pause/Playing In standby mode, short press MFB of headset(R) or headset(L) to play music. On music playing state, short press MFB of headset(R) to PAUSE music. This means that the headset(L) can not use independently. Volume +/-
In call mode or music playing mode, triple click on MFB of headset(R) to volume up, triple click on MFB of headset(L) to voluem down. Reasons low battery protection Charging base low battery protection Trouble Shooting Trouble Can not turn on Cannot turn on by picking up the headset/No indicator light when headset being charged No after pairing The two headsets TWS pairing failure/TWS paired successful but can not find the headset(R) Charging base without indicator light charging DC power supply doesnt output power Too many pairing records Wrong pairing sounds when Headsets without indicator light charging when off Turning automatically Headset echo Noise in call Low voice of the calling party The headsets couldnt being charged in charging base Low battery or Volume is too loud environment is noisy Environmental interference caused or distance between headset and mobile is too far Wearing headset is wrong Solutions Charging headsets for 1-2 hours Charging both the headsets and charging base for 1-2 hours Pairing again Delete pairing records Check whether the micro USB charging line is plugged well or not 1)Checking headset charging interface whether has touched to POGO PIN of charging base and the location is correct or not. 2)Charging for charging base Charging headset for 1-2 hours Adjust the volume at phone or change a place Change a place or move the headset close to the mobile phone Adjusting wearing position of headset NOTE: 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. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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.
(2) this device must accept any interference received, including interference that may cause undesired operation.
* RF warning for Portable device:
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.