Welcome to my store, For more products,click seller information to enter ourstore for purchaseDoing sport or at the office? ? ? ? ? ? ? ? ? ??? ? ? ? ? ?Discrete, durable, comfortable. Its precisely these features youll appreciate at your work desk and outside doing sporting activities. Choose the size of the earbud tips that fit the best and enjoy listening without any cables. Whether youre working out in the gym or eating up miles on the road, sudden jolts are not a problem for this? ?earbuds. Plus, youll love how inconspicuous and comfortable they are over long periods of time.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: 500mAHHeadphones music time: 4-5 hoursHeadphone talk time: 5-6hoursBattery compartment charging interface: micro USBCharging time: 1-1.5 hourCharging box charging voltage: 5V?u are not interested in this productYou can open the store and look at other products of the same typeI hope our product will bring you good luckWish you happy every dayWish you happy use!!!!!