【Advanced Bluetooth-compatible Technology】Equipped with an advanced Bluetooth-compatible audio decoding chip, supporting connection to all Bluetooth-compatible devices with a range of up to 10 meters. 【Superior Sound Quality】Delivers soft, clear, and dynamic sound with distinct layering for an immersive audio experience. 【Versatile Connectivity】Supports Bluetooth-compatible pairing with phones, tablets, and TVs, as well as AUX audio input for use as a computer speaker. 【Multiple Playback Options】Compatible with U disk and TF card music playback, supporting MP3/WAV formats at all bit rates. 【FM Radio Function】Features built-in FM radio module with automatic station search and storage for convenient listening. 【Hands-Free Calling】Integrated high-sensitivity microphone enables clear and smooth hands-free phone conversations. 【TWS Stereo Pairing】Supports True Wireless Stereo function for enhanced audio experience with two speakers. Specifications: Bluetooth-compatible version: V5.3 Transmission range: 10M Audio signal-to-noise ratio: ≥85db Battery capacity: 1200mAh Built-in voltage: 3.7V Play time: about 3H Speaker size: ￠52mm Speaker power: 4Ω/8W Charging input: 5V/500mA Product size: 91*91*121mm Product weight: about 361G