Outdoor Intelligent Bluetooth Speaker, Home Clock Alarm Clock, Multifunctional Small Speaker, Subwoofer With High Sound Quality Features: 【360 degree sound quality】Full range 360 degree surround, covering 200m² indoors and outdoors, allowing for an auditory experience in every corner. 【 Two level brightness adjustment】 Supports two different brightness adjustments: reading before bedtime, accompanying during sleep, and flexible brightness adjustment. 【 Innovative metal diaphragm】 Rejects traditional plastic diaphragm and adopts more expensive metal diaphragm, with a 30MM metal diaphragm providing clear low-frequency sound quality 【52mm full frequency speaker】The large speaker, combined with high efficiency, outputs a larger volume, covering a range of 200m² and reaching over 120dB in decibels. 【Large and long-lasting battery capacity】Equipped with a high-power battery and a low-power 5.0 chip, it has a daily standby time of 180h, a battery life of 20h, and a fast charging time of 65% in 30 minutes. 【Bluetooth 5.0】New generation Bluetooth 5.0 technology, stable transmission at 15 meters, fast connection, low functionality without stuttering. 【 Wireless Bluetooth, high-speed connection】 Built in custom chip, stable and fast transmission, with a distance of about 10 meters. Product Description: Product Name: Bluetooth Audio Product color: black Material: ABS+metal+silicone Bluetooth version: Bluetooth 5.0 Bluetooth distance: approximately 15m Audio input form: Bluetooth, AUX, Trans flash Card Horn specification: 52mm Playback time: 20h Daily standby time: 180h Battery life: 20h Package size:15.5×9.5×5cm/6.1×3.7×2in Package weight:276g/0.61lb Product List: 1 × Instructions 1 × Charging cable 1 × Bluetooth audio 1 × Hanging rope 1 × Audio cable Outdoor Intelligent Bluetooth Speaker, Home Clock Alarm Clock, Multifunctional Small Speaker, Subwoofer With High Sound Quality Professional design, comfortable, durable You can use it longer,High cost performance This is a good gift for your friends, family and classmates.It's a good choice bluetooth speaker with microphone bluetooth speakers on sale bluetooth speaker waterproof bluetooth speaker for tv bluetooth speaker with lights portable bluetooth speaker