Instruction Manual

ManualsBrandsShenzhen COOINSKY technology ManualsAudio EquipmentBluetooth headset

BluetoothversionDualmodeV5.0+EDR



SupportagreementA2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3



Bluetoothusagefrequency2.4G



BatterycapacityEarphone50mah,chargingcompartment1200mAh



Bluetoothdistance10M



Play/talktimeSingleearplay/talktime:about4hours



"Wirelessbinauralstereomusicheadset"



V5.0+EDR"



Keyfunction



PoweronLongpressthefunctionbuttonfor2seconds(bothmainandauxiliarymachinescan)



ShutdownLongpressthefunctionkeyfor3seconds(bothmainandauxiliarymachinescan)



Play/pauseShortpressthefunctionkey(bothmainandauxiliarymachinescan)



Lastsong

Doubleclickthehost(leftear)



NextsongDoubleclicktheauxiliarymachine(rightear)



AddsoundThreestrikeauxiliarymachine



SoundreductionThreehithos t



VoiceassistantPressandholdthefunctionkeyfor2secondsandletgo



SwitchbetweenChinese andEnglish Double click thefunction key

inthe pairingstate to switch

theChineseandEnglishprompttone



Tws‐l21instructionmanual



instructions



Bluetooth pairing "The charging bin picks up and starts up automatically. After starting up, the

mainandauxiliarymachinesarepairedautomatically



Summary of content (3 pages)

PAGE 1
Bluetooth version Dual mode V5.0 + EDR Support agreement A2DP1. 3/ HFP1.6/ HSP1.2/ AVRCP1. 6/ D11. 3 Bluetooth usage frequency 2. 4G Battery capacity Earphone 50mah, charging compartment 1200mAh Bluetooth distance 10M Play / talk time Single ear play / talk time: about 4 hours "Wireless binaural stereo music headset" V5.
PAGE 2
After the exercise, the main and auxiliary ears are red and blue lights, alternating slow breathing. At this time, the mobile phone searches the Bluetooth name connection“ charge After the earphone alarm low power prompt tone, it is put into the charging bin for charging. After charging, it will automatically shut down. The red light will be on for a long time during charging and off after full charge.
PAGE 3
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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.