2.07 x 2.07 x 1 inches

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【Impressive stereo sound & Crystal-clear calls】 Deep and Powerful Bass with 13mm Customized Driver Design with the customized maximum 13mm composite material speaker unit, Otium earbuds could play a realistic music. Also have a much more neutral response which makes them far more versatile and balanced. 2 inner microphones effectively catch the voice and the 2 outer microphones clear out the noise. So, you can make crystal-clear calls and experience quiet conversations wherever you go.
【Intelligent Power Digital-Display】 Power digital-display can show you the remaining power more accurate than other general led indicator. Ingenuity works, exquisite and elegant. Equipped with 2200mAh portable rechargeable case can recharge Bluetooth earbuds about 13 times that boasts outstanding up to 47H playtime. With the Type-C Quick Charge, you are able to enjoy up to 7 hours of playtime with a simple charge for only 1.5 Hour..