This superb sound stereo speakers is compliant with Bluetooth 3.0. It is powered by its built-in battery which is rechargeable by USB port.?With strong compatibility￡? 2x3W Amplified Speakers and 10 hours of continuous music time￡? it is suitable for going out like hiking￡? traveling￡? ect.?Hands-free is convenient to answer incoming call and NFC function make it fast to pair phone.? <br><br><strong>Features:</strong> <br>Bluetooth 3.0 technology makes sure perfect sound quality. <br>Compatible with almost all Bluetooth-enabled mobile devices such as￡? for iPhone6 6Plus 5S￡? for Samsung Galaxy S5 S4 S3 / Note 4 3 2￡? for HTC One￡? Tablet PC￡? Laptop￡? etc. <br>With built-in 2* 3W amplified speakers￡? it produces superb sound and HIFI sound effects and powerful bass. <br>Supports hands-free function￡? conveniently answer the incoming call. <br>With 650mAh high-quality built-in Lithium battery￡? it can offer 10 hours of continuous music and talk time￡? standby time is up to 20 hours. <br>Supports NFC function. <br>3.5mm audio connector provides a simple wired connection of a variety of music players (Such as￡? MP3 / MP4￡? etc) without Bluetooth function.? <br>Portable Speakers is perfectly suitable for going out like hiking￡? traveling￡? ect. <br><br><strong>Specifications:?</strong> <br>Brand￡oMANOVA? <br>Model: BT-68N <br>Bluetooth Version:3.0+EDR <br>Amplifier Output: 2 * 2.2W <br>Signal-to-Noise: !#!gt!*!60dB <br>Frequency Response: 100HZ-20000KHz <br>Operation Voltage: Min: 3V Max: 4.2V DC <br>Battery Charging Voltage: Type: 5V Max: 5.5DC <br>Battery Charging Time: 3.5 hours <br>Playback Time: 10 hours <br>Standby Time: up to 20 hours <br>Speaker Size: Approx.16 * 7.2 * 6.7cm / 6.30 * 2.83 * 2.64in ? <br>Speaker Weight: Approx.339g / 11.95oz <br>Package Size: Approx.18.7 * 9.8 * 8.7cm / 7.36 * 3.86 * 3.43in ? ? ? ? ? ? ? ? <br>Package Weight: Approx.570g / 20.14oz <br><br>Package List: <br>1 * Speaker <br>1 * USB Cable <br>1 * Audio Cable <br>1 * User Manual (English)