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. Note: (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. Specifications: Model:T21 Earbud side:25X22x19mm Charging case size:32.5X44X68.5mm Bluetooth version:V5.0 Wireless range:10m Input : DC 5V/1A Earbuds battery:3.7V/30mAh 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 Package Contents: 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
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