In-Ear Headphones - Universal - Mini Bluetooth Mask Earplug (Yellow) Highlights Universal Mini Bluetooth Mask Earplug (Yellow) Mini Bluetooth Mate Earbuds (Yellow) The product is shipped based on color or size from the main image of the product page. Color: yellow Product parameters: 1. Bluetooth version: 5.0 Version (automatically paired together) 2. Transmission distance: outdoor straight line Distance of 10-15 meters3. Battery capacity: 60mah lithium polymer battery4. Charging battery capacity: 400 mah5. Listening to music time: 2-3 hours (pause/play) 6. Talk time: 2-3hours (answer/hang up) 7. Standby time: 100 hours8. CHARGING TIME: 1 Hour TeaRes: Listen to Songs and Phone Calls, Support Listening to Songs and Making CallSlaler ID Number, Last Callback Code, Smart Smart Tone Prompt, Power, Light, Energy , Low power, etc. Whenever Bluetooth, etc. The headset is connected to the phone, the Bluetooth headset will automatically connect to the phone when turned on, which is convenient and faster. Intelligent compatible: support all mobile phones with Bluetooth function, tablet, laptop, device, all mobile phones Method: Long press the blue light flash pairing mode, wait for the auto start pair once (one of them does not flash successfully) to connect to the phone Bluetooth. Two Mobile phones can be connected separately and used separately. (1 headset connected to 1 phone) Prompt Tone: Boot Prompt: Power OnShutdown Tip: Display Status Prompt: PARINGCONNECTION: PARINGCONNECTION DISPLACT: Device is ConnectDisconnective Prompt: Your device is DISCONDLLOW Battery Prompt : Battery Lowbutton Function: Long press to turn on, long press to turn off, click Music Pause/Play/Call Answer/Own the phone, Headphone charging indicator: The red charging light is on and the red light is off when the battery is full.Battery control Charging instructions: 1. When the charging box charges the earphone: the blue LED light on the charging box flashes, and the blue LED light turns off after the earphone is complete.2. When charging the charging box: the red light on the charging box flashes, and the red light turns on after the charging box is full.