Portable Bluetooth speaker that delivers surprisingly powerful stereo sound. This compact waterproof speaker is powered by a 3000 mAh rechargeable Li-ion battery that offers 12 hours of continuous, high-quality audio playtime. Flip 4 is the all purpose, all weather companion that takes the party everywhere. It also features a built-in noise and echo cancelling speakerphone for crystal clear conference calls, and JBL Connect+ technology that can wirelessly links more than 100 JBL Connect+ enabled speakers together to amplify the listening experience. With a simple button press, you can activate and talk to Siri or Google Now from your JBL Flip 4. Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns playing impressive stereo sound. In a black finish. Specifications: - Bluetooth version 4.2 - Support A2DP V1.3, AVRCP V1.6, HFP V1.6, HSP V1.2 - Transducer: 2 x 40 mm - Output power: 2 x 8W - Frequency response: 70Hz – 20kHz - Signal-to-noise ratio: ≥ 80dB - Battery type: Lithium-ion polymer (3.7V, 3000mAh) - Battery charge time: 3.5 hours @ 5V1A - Music playing timeup to 12 hours (varies by volume level and audio content) - Weight 515 g. Dimensions (H x W x D) 68 x 175 x 70 mm. Color Grey.