Dual Dynamic Drivers
Two powerful drivers deliver clean, natural, and well-balanced sound, the bass is full, the mids are articulate, the highs are penetrating, and the sound range is wide.
The volume is strong, meets the needs of all people.
SECURE FIT AND COMFORT PLUS
UiiSii takes waterproof protection and ramps it up to ，ensure your earphones are protected with hardcore defense against sweat, water, and other liquids.Perfect for running, fitness, camping and traveling, just enjoy your favorite workouts with them.
GET UNRIVALED STAMINA
Double batteries capacity !From a single charge, listen to 24 hours of sublime, A 10-minute charge keeps you going for one hour.bass-driven sound. That’s well over Half a month of workouts from a single charge.
More Stable Transmission
Stable Bluetooth connection will let you enjoy high-fidelity sound without latency. With Bluetooth 4.1 technology, it could transmit Bluetooth signal reliable and fast up to 33ft Bluetooth range in the space.
Safe and comfortable to wear
120° slant-fit design with ergonomically designed flexible ear hooks with gel Flex silicone earplugs to ensure your headphones remain in a comfortable position, ensuring that your ears are free from fatigue and remain free and comfortable. They allow you to listen to music for long periods of time without pain and maintain long-term comfort during your wear.
WHAT ARE IN THE BOX?
6 x Earbuds (3 pair of Bullet silicone,3 pair of Bowl silicone L,M,S)
Bluetooth version: 4.1
Charging time:2-2.5 hours
Music/Play/Talking time:≥16 hours
Standby time ≥240h
Transmission range ≥10m
Support agreement: A2DP/AVRCP/HFP/HSPBluetooth solution:CSR8640P
Multi-Function Button Feature:
1 click - Answer / Hang up calls / Play music / Pause music
1 long press - Reject calls
2 clicks -- Next song
3 clicks-- Previous song
When the item is not in use , please put it in the pouch , that will keep its durability and against tangle wire