On-ear bluetooth headset, on-ear wireless headset, foldable lightweight wireless headset, built-in high-definition microphone, treble sweet / mid-range accurate / bass sink / immersive, enjoy the charm of music, support the playback of external TF card songs, suitable for leisure / travel / computer / family, etc.Product ParameterWearing style: headset foldingBluetooth version: Bluetooth 5.0+EDRFunctional use: wireless headset, bluetooth headset sports headsetSupport Bluetooth mode: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5Battery capacity: 400mAhSpeaker: 40mm/32ΩFrequency performance: Receive sensitivity: -84dBm; Transmit power maximum 6dBmPlug-in card playback: support playback of songs in external TF card.Transmission range: about 33 feet (10 metres 33 feet (10 metres)Indicator light: switch on the red and blue light flashing, connected to play the blue light flashing, charging red light full power lights out.Music/talk time: up to 24 hoursCharging time: 4 hoursCharging Voltage: 5VCharging port: USB charging portProduct Features--Original sound quality, enjoy music lightlyLet you in the rich and beautiful sound quality as you wish to listen to the wonderful, no need to say more.--All-day wireless listeningGet rid of the wired bondage compatible with a variety of digital devices on the market.--Portable folding, wear more flexibleDoes not occupy space, leisure travel can enjoy the charm of music at any time.--Soft and comfortable ear cups and adjustable headband.Earmuffs made of protein leather, light to wear and all-inclusive design, effective noise isolation, adjustable to the right length according to different head shapes, providing long-lasting comfort.--Advanced Bluetooth 5.0+EDR chipAdvanced Bluetooth 5.0+EDR chip enables fast and stable connection with your Bluetooth device, stable transmission of high fidelity level HIFI sound quality, supports hands-free function, conveniently answer incoming calls through the built-in microphone.--40mm large dynamic circle surround sound qualitySurging three-dimensional surround sound, cinema-grade shock, feel the sweet treble / mid-range sound / bass sink, enjoy the immersive feeling.--Wide compatibilityThese over-ear headband wireless bluetooth headphones are compatible with all devices with bluetooth and audio output, such as smartphones, laptops, tablets and more.--Dual ModeWith a built-in 400mAh battery that provides 24 hours of continuous wireless playback, these wireless headphones are perfect for cycling, jogging or other sports. Plus, you can easily switch modes to suit your needs. If the battery is low, this product can also be used as a wired headset after connecting it with an audio cable, which is very convenient and practical.Warm tipsFor both audio and wearing comfort, please take off the bluetooth headset every 1-2 hours to let your ears relax and protect them from the sweltering environment during use for better listening enjoyment.Product Packing List1x Over-ear wireless bluetooth headset1x 3.5mm audio cable1x USB charging cable1x User Manual