Wireless Headphones User Manual English Product Specification Effective distance :>10m Horn Diameter: 13mm Horn Power :11mW*2 Imped: 32 Microphone Sensitivity :-40dB - 3dB SNR: - 95dB Degree of distortion: -3%. Frequency response :20Hz-20KHZ Operating time: about 4 hours Headphone battery capacity :30mAh Battery capacity: 230mAh Charging time: about 1.5 hours Charging time: about 1.5 hours
(all technical information is subject to actual performance) Product overview Bluetooth headset x2 Charging cable x1 Charging case x1 Instruction manual x1 Earplug x6 Touch Touch Instructions for use of the product Step 1 Switch on Method 1: Remove the left and right earbuds from the charging bay, and turn on the earbuds. Method 2: When the headset is off (out of the charging bay), touch the multi-function touch keys on the left and right earpiece for about 3 seconds to turn on the headset. Step 2 turn it off Method 1: place the left and right earbuds directly into the charging cube and turn the earbuds off. Method 2: when the left and right earphones are turned on, the multi-function keys touch the keys for about 5 seconds, and the earphones turn off. Note: when the headset is turned on, it will automatically turn off if not paired with the corresponding Bluetooth device for 5 minutes;
Beyond the effective signal connection distance, not connected with the corresponding Bluetooth device, 5 minutes later, the headset will automatically turn off. 3. Pair of TWA A. If there is no pairing registration for the left and right earphones, the left and right earphones will be paired automatically after being switched on. B. When the left and right earphones have pairing records, they are automatically reconnected at startup. 4. The left and right ears switch automatically A. During the use of headphones, put the left (right) ear into the charging box to charge, and it will automatically switch to the right (left) ear to play (and continue to maintain the state of the music before the switch). B. During the use of headphones, put the left (right) ear into the charging box to charge, which will not affect the normal work of the right (left) ear. C.After connecting one ear during use, take out the other earphone can automatically TWS to connect the left ear or the right ear to continue the current working status. D. Open the left ear or right ear separately to connect the phone. 5. Pair and connect with Bluetooth devices Open the Bluetooth setting option of the Bluetooth device to be paired, enter the options, find the Bluetooth pairing headset name "KB-TWS-C25", and click the pairing name to pair. 6. Play music Previous: Double-click the multi-function touch button on the left earpiece. Next: double-click the multi-functional tap button on the right earpiece Volume Plus: Triple TAP multi-functional touch button on the left earpiece Volume Down: press the multi-function button on the right earpiece three times Pause/play: click any multi-function touch button on earpiece once When connected to one ear: double click: next three taps: add volume 7. Speakerphone (combination of two headsets) When an incoming call comes in, answer it: click any multi-function touch button on any headset once Reject an incoming call: press and hold the multi-function touch button on any headset for 2 seconds 8. Activate the voice assistant Activate the voice assistant: after the headset is successfully connected to the phone, press and hold the touch key for 2 seconds to activate the voice assistant. 9. Indicator indicator Handset on :(left) the right handset indicator flashes red and blue alternately. Earpiece off :(left) the right earpiece indicator flashes red for three times fast and then turns off. Earpiece success:
the left (right) earpiece light flashes red and blue alternately, and the left (right) earpiece light turns off.
(left) the light on the right earpiece flashes red and blue alternately.
(left) the right earpiece light is off. Bluetooth disconnected: the light on the left (right) earpiece flashes red and blue alternately, and the light on the left earpiece is off. Charging bin for charging the earphone: charging bin in the process of charging the earphone, the earphone light is steady red; when fully charged, the earphone indicator turns off. Charging bin charging: when the charging bin charging, the red light of the charging bin flashes, and the red light is steady on when it is fully charged. FCC STATEMENT 1. 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. 2. Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. 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. FCC Radiation Exposure Statement:
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.