Welcome to my store. For more products and colors, please click 'SELLER INFORMATION' to select. Our store products are constantly being updated, you can follow our store and check our products at any time. Hope you have a happy shopping! When purchasing the tws Bluetooth headset, please read the following instructions: Due to long-term transportation, the power of the tws earphone will be exhausted. You will not be able to use the headset when you receive the package. It may be powered off. The first thing to do is to charge the headset box for 30 minutes. Very important. Thank you! Description:Headphones program: Bluetooth 5.0+EDRProtocol mode: A2DP, AVRCP, HSP, HFPHeadphone channel: true stereoPrompt tone: EnglishWireless use frequency band: 2.4GhzEffective distance: 10m barrier freeMicrophone: Built-inPairing mode: automatic pairing after bootingHorn diameter: 8mmBattery capacity: Headphones 70mAhCharging box: 2500mAHHeadphones music time: 4-5 hoursHeadphone talk time: 5-6hoursBattery compartment charging interface: micro USBCharging time: 1-1.5 hourCharging box charging voltage: 5VSpecifications:1. Noise cancelling technique helps against loud and annoying noise.2. The controller was designed to control volume, select songs and take calls.3. Even wear for a long time also wont fatigue; they are less likely to fall out, and enjoy your music.4.Perfect stereo headphones with high quality drivers enables you experience natural clear and super enhanced bass sound.Package Included:1 x Mini TWS Bluetooth Earphones (left and right ears)1 x Charging Box1 x USB Charging Cable1 x User Manualnote :1. Due to the differences between different monitors,There is a slight chromatic aberration . We guarantee the quality and style as shown in the picture. 2. Due to manual measurement and different measurement methods, please allow 1-5mm deviation. thank you! 3: Our store will update a lot of this type of products every day, if you want to browse more beautiful, preferential products, you can click click  'SELLER INFORMATION'  to follow us! Hope our products can create a more comfortable, simple and happy living environment for you, thank you!  4. If you think our products are very good after you purchase and use them, please leave your comments and feelings, or show your style on Facebook, twitter and Youtube. Your satisfaction makes us move forward! a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a