Portable and lightweight fashion design， very easy to store in your bag<br>Ergonomic earbud design， comfortable to wear<br>CVC 6.0 intelligent noise reduction<br>Sweatproof design， best choice when you do sports<br>With CSR4.1 APT-X audio decode technology， offering you perfect sound<br>It can connect with two Bluetooth devices at the same time<br>Built-in 90mAh battery， increasing your using time to 7 hours.<br>Control music and calls from the headphone<br>Allows you answer the phone anytime and anywhere<br>Suitable for all Bluetooth enabled devices<br><br>Brand Name: QCY<br>Model Number: QY12<br>Bluetooth Version: V4.1<br>Bluetooth Chip: CSR8645<br>Support Protocol: HFP， HSP， A2DP， AVRCP， APTX.<br>Noise Reduction: CVC 6.0<br>Sound Type: Stereo<br>Battery Capacity: 90mAh<br>Charging Time: 1-2 hours<br>Music Time: 7-8 hours<br>Standby Time: 7 days<br>Transmission Distance: 10m<br>Net Weight: 16.3g<br>Size: 16.98*18.95*21.6mm<br>Voice Prompt: Yes<br>Microphone: Yes<br>Colours: Black， White.<br>Connect to two devices/answer/hang up/reject/transfer/redial/mute/volume adjustment/switching songs/pause music/play music/APP take photo/Voice prompt.<br><br>Packaging:<br>1 X QCY QY12 Bluetooth Headphone<br>4 X Earmuffs<br>1 X Charging Cable<br>1 X Cable Holder<br><br>Operation Guide:<br>1. Change language:<br>While pairing， double-click middle button to change the language.<br><br>2. Redial the lastest call number:<br>Double-click middle button while the headphone is in standby mode.<br><br>3. Open mute mode:<br>Double-click the middle button while talk.<br><br>4. Call sound switching:<br>Press the middle button for 1s while calling. Switch the sound from headphone to smarphone(or smartphone to headphone).<br><br>5. Connect to two devices:<br>(1). After the first smartphone connect to headphone successfully， turn off headphone Bluetooth.<br>(2). Turn on Bluetooth headphone， Long press the middle button until the indicator light turn to blue and red alternately. Search "QCY-QY12” on the second smartphone and connect.<br>(3). Search the "QCY-QY12" from the Bluetooth list on the first smartphone， then connect.<br>(4). Headphone connect to two smarphones successfully.<br><br>*NOTE: Jika warna yang yang diinginkan tidak tersedia， maka akan dikirimkan warna lain yang tersedia