Name: Bluetooth Clock Speaker Product Size 218.5(L)*154.5(W)*48(H)mm/8.60(L)*6.08(W)*1.89(H)inch Chip Model AC6951C Bluetooth Version 5.3 Support protocol BR+EDR+BLE Audio Decoding MP2, MP3, WMA, APE, FLAC, AAC, MP4, M4A, WAV, AIF, AIFC Transmit power 6dBm Communication distance 10M Operating Frequency Band 2410MHz2480MHz Master-Slave Switching None Charging Voltage DC5V Charging Time 3H Battery type specification 3.7V, 1200mAh Music playback time 4-10 hours Charging interface TYPE-C Speaker Parameters : Speaker impedance 4 ohm Sensitivity 88dB Frequency range 160Hz～20KHz Rated output power 5 W Rated Input Power 5 W Speaker size 45mm Descripción Advanced Bluetooth 5.3 technology and multi-protocol support: This Bluetooth clock speaker adopts the latest Bluetooth 5.3 chip (AC6951C), which not only provides a faster and more stable connection, but also supports multiple protocols of BR+EDR+BLE, which ensures a wide range of compatibility with various Bluetooth devices. Meanwhile, its communication distance can reach up to 10 metres, allowing you to move freely without worrying about signal loss. Multi-functional audio decoder with high-fidelity sound quality: supports decoding of various audio formats including MP3, FLAC, AAC, etc., ensuring that both popular and classical music can be perfectly reproduced with the most original sound details. Equipped with 45mm speakers and 5W rated output power, the frequency response range covers 160Hz to 20KHz, providing users with a clear, rich and dynamic listening experience. Stylish design and convenient operation: the product size is moderate (218.5(L)*154.5(W)*48(H)mm), which can be used as desktop decorations without occupying space. The built-in clock function allows you to easily keep track of the time while enjoying beautiful music. The simple and intuitive operation interface allows even users who are not familiar with technology to get started quickly. Long-lasting battery life and fast charging: Built-in 18650 3.7V/1200mAh high-capacity battery, a single full charge can play music for 4-10 hours to meet the needs of daily use, TYPE-C charging port supports fast charging, only 3 hours to complete the charging, always ready to meet the next music journey. QUALITY MATERIALS AND PERFECT DESIGN: Made of high quality materials to ensure the sturdiness and durability of the product. The delicate design is not only beautiful but also easy to clean and maintain, suitable for placing in any corner of your home or office, which makes it an ideal choice to enhance the ambience of the environment. Product List Bluetooth Speaker*1