Description:1. Bluetooth-compatible Version: V5.12. Bluetooth-compatible Distance: 10m3. Charging Time: About 1-2 Hours4. Standby Time: About 80 Hours5. Music Time: About 3 Hours6. Talk Time: About 4 Hours7. Headphone Battery: Polymer Lithium Battery 45mAhSpecifications:1. Listen To The Song To Answer The Phone, Support Listening To The Song To Answer The Phone2. Caller ID Number, Last Code Callback, Full Intelligent English Prompt Tone, Power On, Pairing, Power Off, Low Battery, Etc.3. Every Time The Headset Is Connected To The Mobile Phone, The Headset Will Automatically Connect Back To The Mobile Phone After Turning On The Phone, Which Is Convenient And Fast.4. Smart Compatibility: Support All Mobile Phones, Tablets, Notebooks, Devices, And All Mobile Phones With Functions5. Pairing Method: Long Press The Pairing Mode With The Blue Light Flashing, Wait For Automatic Pairing Together After Turning On The Phone (one Of Them Does Not Flash, The Pairing Is Successful) And Connect To The Mobile Phone.6. Two Mobile Phones Can Be Connected Separately And Used Separately. (1 Headset Connected To 1 Device)Prompt Tone:Boot Tips: BootShutdown Prompt: ShutdownPairing Status Prompt: ParingConnection Prompt: Your Device Is ConnectingDisconnect Alert: Your Device DisconnectedLow Battery Reminder: Low BatteryButton Function: Long Press To Power On, Long Press To Shut Down, Click Music To Pause/play/answer/hang UpPackage Included:1*Earphone1*charging Cable1*Instruction Manual