Bluetooth speaker with a compact aluminum design featuring superb sound, several playback modes, or full compatibility with smartphones, tablets and TVs. Created for audiophiles, Mi Bluetooth Speaker provides outstanding sound quality and supports multiple music playback modes. Compatible with smartphones, tablets, TVs, laptops and more. Stylishly designed and packed with power, it's the perfect way to indulge in music wherever you go. Lightweight and compact, Mi Bluetooth speaker weighs only 270g and can be used for up to 8 hours on a full charge. That's plenty of playback for travel trips, dance practices and more. Free up your hands, take calls with handsfree support and a built-in microphone. Mi Bluetooth Speaker pauses music playback when you receive calls. Just press the play button to transition to handsfree mode. True craftsmanship is in the details. The smooth metal structure has undergone sandblasting, laser engraving, and two coats of anodized oxide color, so Mi Bluetooth Speaker has a vibrant, metallic sheen. The two built-in speaker units in the Mi Bluetooth Speaker use strong NdFeB magnets paired with Ferrotec FRM4005 Ferrofluid cooling technology and a black anodizing oxide aluminum alloy diaphragm to make the music quality richer and truer. The range that Mi Bluetooth Speaker can cover is comparable to a Hi-Fi system, allowing you to enjoy high-quality music even when outdoors. The integrated bass radiator uses double color injection molding to reproduce authentic sound quality for and immersive music experience. Its TPU surroundings are arranged in a granular style for better damping. The combination of these ensures excellent treble, midrange and bass representation. The Avnera AV3102 chip offers and exquisite and balanced tone while supporting a maximum of 19 PEQ adjustments and 12 levels of DRC. Its aluminum alloy diaphragm can withstand higher levels of acoustic pressure to achieve crystal clear trebles. Even on low battery, Mi Bluetooth Speakers can operate at full volume while sounding crisp and clear. Specifications: Size: Length 168mm x Width 24.5mm x Height 58mm; Net Weight: 270g; Color: Red; Maximum power output: 3W x 2 (4ohm, THD < 1%); Loudspeaker: Φ36mm, Driver x 2; Channels: 2.0; Bluetooth version: 4.0; Microphone: Hands-free phone microphone x 1; Frequency response (-10dB): 85Hz - 20KHz; Battery capacity / voltage: 1500mAh 3.8V; Battery recharging time: 2.5 hours; Battery life: 8 hours (65dBA / 1m pink noise); USB power input: 5V 2A; Operating temperature: 0°C - 45°C