SPECIFICATIONSActive Noise-Cancellation: NoBluetooth Version: 5.1Brand Name: otherCategory: Earphones & HeadphonesCharging Method: cableChoice: yesCommunication: WireLessConnectors: NoneControl Button: YesDriver Diameter: 20Earcups Type: Semi-openFrequency Response Range: 20 - 20000Headphone Pads Material: OtherImpedance Range: up to 32 ΩIs wireless: YesMagnet Type: FerriteMaterial: PlasticMax Output: 1Maximum wireless range[m]: <10mNFC Technology: NoOrigin: Mainland ChinaPlug Type: NoneResistance: 32Sensitivity: 123Sound Isolating: NoStyle: In-earSupport APP: NoSupport Memory Card: NoTotal Harmonic Distortion: 10Vocalism Principle: Balanced ArmatureVoice assistant built-in: NoVolume Control: YesWaterproof: NoWireless Type: BluetoothWith Microphone: Yes • Bluetooth Technology :Experience seamless connectivity with the A6s TWS headset, featuring Bluetooth technology for wireless communication. • In-Ear Design :The in-ear design of these headphones provides a snug fit, ensuring comfortable wear and superior sound isolation. • Balanced Armature Principle :Equipped with a balanced armature principle, these headphones deliver clear, high-quality sound, enhancing your audio experience. • Semi-Open Earcups :The semi-open earcups design allows for easy communication without having to remove the headphones, making them perfect for sports or outdoor activities. • High Impedance Range :With an impedance range up to 32 Ω, these headphones produce rich, dynamic sound, suitable for various music genres. • Durable Plastic Material :Constructed from durable plastic, these headphones are designed to withstand daily wear and tear, ensuring long-lasting use. 1.Dustproof and waterproof:Dustproof and IPX5 waterproof, Double-eared split design, single and double ears are free to wear. 2.Automatically pair:Will automatically pair, power on after taking out from the 280mAh charging box. 3.One button control: One button control easily to turn on/off, play/pause/switch music, hands free calling to driving, working, meeting, running. 4.Intelligent compatibility: support all Bluetooth mobile phone, tablet, notebook, QQ music, movies, etc., universal all mobile phone. Specifications: Color: Black Bluetooth Version: V5.0 Bluetooth Distance: 10m Charging Time: about 1-2 hours Standby Time: about 80 hours Music Time: about 3 hours Talking Time: about 4 h Note: Q: What should I do if I cannot turn on the headphones after receiving them?A: Due to the long transportation time, the earphones may run out of battery. At this time, it is necessary to fully charge the earphones before use. Note that there is a protective film attached to the back of the earphones, which needs to be removed before charging.Q: One of the two headphones is not workingA: If one of the headphones cannot be connected, it is necessary to disconnect the Bluetooth connection of the headphones. Then put the headphones back into the charging case, wait for about 1 minute, then remove the headphones and try reconnecting.