Wireless Earbuds, Bluetooth 5.1 Wireless Headphones Sports Bluetooth Earphones in Ear Noise Cancelling Earbuds with Mic Deep Bass Sport Earhooks…

I21 Headphone is a true bluetooth wireless earbud designed,which is your safe and fit workout companion.

1.400mAh Charging Case with Smart Dual LED Display: Charge the headset 6 times and you can observe the battery level of earbuds at any time.
2.48Hrs Long Battery Life and Quick Charging: 15 minutes can get 1Hrs playtime, allowing you to enjoy music throughout the day.
3.Auto Pairing and Multi-function Button: easy control to answer/reject calls, play/switch music,voice assistant.
4.Stereo Good Sound Quality: bringing you 3D deep bass stereo,making you immersive.
5.Designed for Sports: adjustable ear hook design, firmly fit yours ears when running or other outdoor activities.

48Hrs Playtime
Wireless earphones can be used for up to 8 hours with a single charge, and the 400mAH charging box can charge the earphones 6 times, so it can be used for up to 48 hours.

Ergonomical Design
Adjustable ear hook design and soft earplugs(S,M,L size,which is suitable for all ear types),firmly fit yours ears when running very fast or other outdoor activities.

No Master Restriction
Freedom to use. Just pick up the left or right earbuds to enter the mono mode, and pick up both at the same time to enter the stereo mode.The left and right earbuds can be used at will.

Powerful Bass Performance
Built-in high-quality audio chips and 8mm dynamic speakers.The sound is more delicate.bringing you 3D deep bass stereo,making you immersive.

Widely Compatible
The updated Bluetooth 5.0 is significantly more stable than the previous version, and can seamlessly connect with most bluetooth enabled devices (such as various brands of mobile phones, tablets, and PCs).

Package Include
I21 Wireless Earbuds x 2 (L&R)
Fast Charging Case x 1
Type C Cable x 1
Original Ear Caps x 1 Pair (M)
Spare Ear Caps x 2 Pairs (S/L)
User Manual x 1