Hello Africa friends, we are from China and we are committed to exporting the good products from China to the world. We currently have cooperation with many countries in the world. We are honored to have a friendly cooperation with you. If you like ours Product, if you think our product is good, move your finger and give us a good comment, which is our biggest encouragement. We are also more motivated. Thank you for your understanding.Please follow the number to choose the style you want, thanks for your understanding Product description :Color: cool black upgrade, Haoyue white upgradeBluetooth protocol: 5.0Transmission range: 10 metersChannel: stereoWhether single or double ear: bilateral stereoApplicable gift occasions: birthdays, trade fairs, employee benefits, business giftsFunction: battery display, call function, support musicInstructions for use: earplug typeCharging compartment battery capacity: 3000mAhBluetooth version: V5.0Headphone battery capacity: 50mAhMusic playing time: 5 hoursStandby time: 72 hoursTalk time: 5 hoursBluetooth transmission distance: 10-15 metersCharging time: 60 minutesBattery type: polymer lithium batterySupport system: IOS / Android system