True Wireless Stereo-209 In-Ear BT Earphones with Stereo Sound Noise Reduction Waterproof Sport Earbuds with LED-Digital Display Touch-Control Headphones HD Call Earbuds Compatible with iOS Android Phones/Tablets/Computers

Features:
[BT 5.1 Technology] Adopting the most advanced BT 5.1 chip, the earbuds feature one-step pairing, faster transmission speed, more stable connection and lower power consumption.
[Premium Sound Quality] Offers 9D surround sound quality and powerful bass with high quality graphene diaphragm, bringing a layered and full sound effect for more immersive listening experience.
[Comfortable Wear] Skin-friendly soft silicone ear caps with ergonomically design fits well the ear canal, allowing you to wear for a long time without pain or swelling.
[Large Capacity Battery] High capacity charging compartment provides long battery life after a single full charge. It can also charge the mobile phone for emergency.
[LED-Digital Display] Upgrade three-screen LED digital display shows clearly the battery charging status and remaining power, which you can see at a glance.
[Smart Touch-Control] A variety of complex functions can be done easily with just one-touch, such as summoning voice assistant, controlling volume or music play and so on.
[Waterproof Earphone] IPX5 waterproof and sweat-proof functions enable you to deal with daily water activities easily and enjoy sports freely. 
[Universal Compatibility] Widely compatible with mobile phones, tablets, computer, etc.


Specifications:
Model: True Wireless Stereo-209
Material: ABS
Color: Black / White (Optional)
BT Version: 5.1
Earphone Battery: 3.7V / 40mAh
Charging Box Battery: 3.7V / 1500mAh
Battery Life: 3-4H
Charging Case Charging Time: 1H

Input / Output: 5V / 1A
Waterproof: IPX5
BT Protocol: HFP / A2DP / HSP / AVRCP / SPP
Transmission Distance: about 10m
Frequency Response: 40Hz - 20KHz

Product Size: 60 * 26mm
Item Weight: 9g / 0.32oz
Package Size: 11.6 * 11.1 * 4.2cm / 4.57 * 4.37 * 1.65in
Package Weight: 132g / 4.66oz


Note:
* Do not treat the product with violence, nor squeeze with heavy objects. And keep it away from high temperature and humidity environment.
* Keep away from Wi-Fi, routers and other high frequency transmission devices, which will affect the signal reception of this machine.
* Use this product in an effective environment (10m) without physical obstruction (e.g.walls) between the BT device and the headset.


Package List:
1 * BT Earphones
1 * Charging Box
1 * Charging Cable
4 * Earplug Silicone Caps
1 * User Manual