I am an Chinese seller,providing customers with high-quality and low-cost products. The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on. We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans. Sincerely at your service .Please feel free to contact us if you have any questions.Specifications:Compatible with most devices that may utilize headphones.LED power indicator for power on and charging.360-degree sound field intergrates a cone design with a custom-built speaker to project sound in all directions.With 1.4 subwoofer, the vacuum base offers deep and rich sound with HI-FI result.Pioneering patented technology: extendable resonance of the bass box technology enables stronger effect.New concept integrative portable mini speaker, with small bulk can play on the center of the palm.Embedded type lithium batteries, can use USB or power adapter for charging.Built in, rechargeable lithium battery each charge can last for 3 - 5 hours.Type: Speaker AmplifierOutput: 2.4WRating Power: 2.2WSpeaker: 36mm Micro Speaker, 4OhmFrequency Response: 200Hz - 20k (Hz)Singal-to-Noise: >89dbDistortion:a b c d e f g h i j k l m n o p q r s t u v w s y z a b c d e f g h i j k l m n o p q r s t u v w s y z a b c d e f g h i j k l m n o p q r s t u v w s y z a b c d e f g h i j k l m n o p q r s t u v w s y z a b c d e f g h i j k l m n o p q r s t u v w s y z a b c d e f g h i j k l m n o p q r s t u v w s y z a b c d e f g h i j k l m n o p q r s t u v w s y z a b c d e f g h i j k l m n o p q r s t u v w s y z a b c d e f g h i j k l m n o p q r s t u v w s y z a b c d e f g h i j k l m n o p q r s t u v w s y z