Mini Invisible Earbuds Sleep Headphones Bluetooth 5.4 Earphones TWS Wireless HIFI Stereo Noise Reduction Waterproof Heasets

Bluetooth Earphones User Manual1. Earbud Function Operation Instructions- Power On: Long press the function key for 6 seconds.- Power Off: Long press the function key for 3 seconds.- Answer / End Call: Double-click the function key.- Reject Incoming Call: Long press the multi-function key for 1.5 seconds.- Play / Pause Music: Double-click the function key.- Previous Track: Triple-click the function key (function mapping varies by device).- Next Track: Triple-click the function key (function mapping varies by device).- Volume Up: Long press the function key for 1.5 seconds to raise the volume by one level (function mapping varies by device).- Volume Down: Long press the function key for 1.5 seconds to lower the volume by one level (function mapping varies by device).- Voice Assistant: Quadruple-click the function key to activate Siri.2. Earbud Bluetooth Pairing Guide- Take the earbuds out of the charging case, and they will power on automatically. The indicator lights flash alternately, and the earbuds enter device search mode. Follow these steps on your phone:Open your phone’s Settings.Select the Wireless/Bluetooth option.- Turn on Bluetooth, search for the device named "XXX", then tap the name to connect.- The screen will show "connected" once pairing succeeds.Charging Status Indicators- The charging case power display shows "00" when the battery is low and needs charging; "100" indicates a full charge.- When charging the case alone, the screen displays the real-time battery level and shows "100%" once fully charged.- When the charging case powers the earbuds, the earbuds’ red light turns on, and the case screen shows its remaining battery.A beep tone will sound to alert you when the earbuds run low on power.3. Product Specifications- Product Function: Calls, music playback, binaural calling- Frequency Response: 20Hz–20kHzImpedance 32Ω- Sensitivity: 103±3dB at 1000Hz, 1.26V input- Bluetooth Communication Range: ≤10 meters- Supported Bluetooth Profiles: HSP / HFP / A2DP / SBC / AAC / AVRCP- Transmission Frequency Band: 2.4GHz–2.4835GHz ISM Band- Charging Time Earbuds: 30 mins for full charge; Charging case: approx. 1 hour for full charge- Music Playback Time: 5–6 hours (at 60% volume)- Talk Time 4–5 hours (at 60% volume)- Overall Endurance: Total binaural talk time of 4–5 hours when paired with the charging case; the case can fully recharge the earbuds 3 times- Charging Voltage & Current: Earbud rated input: DC 5V / 25mA- Charging case rated input: DC 5V / 180mAAbout this item:1.【Designed for sleeping】 Invisible and mini earbuds body design, if you do not want to be disturbed by others or need music while sleeping or working, these headphones are a good choice for you. Sleep headphones improve the comfort design, when lying on your side, will have no foreign body feeling and fit your ears well2.【Bluetooth 5.3 & Clear Calls】 Excellent physical noise cancellation combined with acoustic noise cancellation technology, the microphone of the sleeping earphones also reduces noise in noisy environments and makes calls clearer. You can enjoy sleeping earphones to talk in noisy environments, just like face to face3.【Mini and small】 These Sleep ear buds are mini and lightweight, weighing only 0.1oz. The shape of the invisible earbud is designed to fit the ear. It is comfortable to wear without strain. When wearing mini earbuds, they are almost unnoticeable and can be worn during work or leisure. You can wear it all day without pressure.4.【24Hours Long Battery Life & Fast Charging 】 The invisible earbuds last for 5 hours of listening songs, and the stylish charging case can extend the usage time to 24 hours, which means the charging case can provide 5 times extra charging power for invisible earphones. USB C fast charging, only takes one hour to fully charge and continue to enjoy music5.【Premium Sound Quality & Safety Guarantee】 These sleeping earbuds provide you with high quality audio enjoyment. Whale hollow stereo surround sound, immersive music enjoyment. The perfect sleep companion. Product details:- Material: ABS- Size: as picture- Color: Black, White, Beige- Package Include: 1PAIR * Sleep Earbuds