The first time you get the Otium T21 True Wireless Earbuds, the bluetooth headsets are separate from the charging case, you need to :
(1) Put the wireless earphones back in the case charging for a while
(2) Take out the T21 wireless earbuds from the charging case, then they will automatically turn on and available for a connection
(3) Connect the T21 bluetooth headphones to your phone via bluetooth menu
After the first connection completed, the bluetooth earbuds will automatically turn on and connect your smart phone when removed from the case, automatically turn off and charge when put back in the case.
(1) Please keep your wireless headphones charged when in low battery life (you could check the battery life anytime in the charging case) to achieve better Bluetooth connection and protect your battery
(2)Please choose suitable ear tips and wear your wireless earbuds tightly when you are running or cycling, it will help you reduce the annoying wind noise.
Charging case size:32.5X44X68.5mm
Input : DC 5V/1A
Charging case battery capacity:3.7V/500mAh
Earbuds charging time: less than 2 hours
Using time: about 3 hours
Charging case charging time:2 hours
IOS battery status: Support
T21 Earphone x 2
Charging Case x 1
Extra Ear Tips(XS,S, M, L) x 4 Pairs
Charging Cable x 1
Use Manual x 1
MASTER SLAVE SWITCHING & BLUETOOTH 5.0: Freely master-slave switching, Most advanced Bluetooth 5.0 technology. Supports HSP, HFP, A2DP, AVRCP. Otium T21 Bluetooth Earbuds brings you super tws, super fast connect, super easy pairing, super stable.
UP TO 40 HOURS BATTERY LIFE: The wireless earbuds can last for 4-5 hours of playtime on a single charge. The fully charged charging case can continue to power the headset for 7-8 times, bringing you a total 40 hours of wonderful music world. With a weight of only 3.9g, causing zero pressure to the ear.
SNUG FIT & DEEP BASS: Designed to a seamless fit in your ears and offer 4 different sizes earbuds for choices, allow you to stream music with CD-like audio quality with powerful bass and crispy mid-highs through a unique speaker driver.
ONE STEP PAIRING & SMART TOUCH CONTROL: Automatic system brings you a hassle-free experience.You just need to open the lid of charging case and they’ll automatically connect to the last paired device. The intelligent touch control button is multifunctional, such as play/pause music, answer/hang up a call, the next/previous song, activate Siri. Smart life, choose T21 wireless earbuds.
IPX7 WATERPROOF & SWEATPROOF: With innovative SweatShield Technology, you can use the earphones freely for sweating it out at the gym or singing in the rain. If you are Not Satisfied with your purchase for any reason, please Feel Free to contact us at the buyer center or support email, 24/7 Quick Reply.