Overviews:Portable NFC Wireless Bluetooth 4.0 Speaker features unique rugged square design、 support multiple perspectives、 is very popular by most people. Made of world's top materials with Splashproof&Shockproof&Dustproof&functions. High-definition sound quality、 built in full range loudspeakers、 will bring you wonderfull music enjoyment. The built-in 1500mAh rechargeable battery enables a breakthrough 8-10 hours of playtime so you can jam through a full day and it only takes 3-4 hours for you full charge the speaker. Latest Bluetooth 4.0 Technology - Connect your device in 3 seconds. NFC technology - Tap-to-pair with NFC technology for easy and instant connection (If your bluetooth audio device has NFC function). So fashionable、 stylish and unique design with excellent sound quality effect speaker by the lowest price、 you worth it!Material: PlasticQuantity: 1Shade Of Color: Army GreenSpecification Bluetooth Handsfree: YesBluetooth Version: V4.0 Operating Range: 10mTotal Power: 3WChannels: 1.0 Interface: 3.5mm /USB 2.0 Microphone: Yes SNR: 68dbSensitivity: 80dbFrequency Response: 2.4GHz-2.48GHzImpedance: 4ohmApplicable Products: Radio Tuner: YesFM Frequency: FM78.8-FM106.1Supports Card Type: TFBuilt-in Battery Capacity :1500mAh Battery Type: Li-ion battery Music Play Time: 8-10HoursPlug Specifications: USBPower Supply: 3.7V DCProduct Features:Unique Rugged Square Design with Splashproof&Shockproof&Dustproof& functions make it suitable for outdoors and shower.Small and lightweight;with the lanyard、 fits easily into your bag or pocket for on the go use、just set your hands free、 making your travels more convenient.Featuring a large speaker cavity for excellent sound、 this tiny but powerful speaker can fill any room with rich audio and clear and crisp music. The built-in 1500mAh rechargeable battery enables a breakthrough 8-10 hours of playtime so you can jam through a full day and it only takes 3-4 hours for you full charge the speaker.Included USB charging cale、 it can recharge from your laptop、 desktop、 or powered USB hubConnect with any bluetooth-enabled device (Bluetooth 4.0) or just plug in with the traditional audio cable to start your tunes.NFC technology - Tap-to-pair with NFC technology for easy and instant connection (If your bluetooth audio device has NFC function).