Product name: A11Type: Bluetooth speakerConnection method: Bluetooth connectionFrequency response range: 60Hz-15KHzSignal to noise ratio: 70dbPower supply: built-in lithium batteryChannel: 2.1Playing time: 8 hoursExtended storage: 4GBBluetooth protocol: 4.0Effective distance: 15 metersTF card maximum support: 32GOperation mode: buttonApplicable people: GeneralPlay format: MP3, WMAShell material: plasticWhether to support APP: YesSupported format: U diskSpeaker adjustment method: buttonIs there a radio function: YesProduct weight: 0.14 (KG)Product size: 62 * 62 * 73.7mm/2.44 * 2.44 * 2.90inch(Approx.)Speaker size: 52mm / 36 external magnetOutput power: 5WBattery model: 502030Battery capacity: 300M / AHSupport function: TF / USB / FM / Bluetooth / AUXProduct color: black, pink, blue, greenPackage List1 * Bluetooth speaker1 * Data cable1 * User manual11. Support TF / USB / FM / Bluetooth / AUX hands-free FM radio mode. 2 2. With FM function, you can automatically search for radio stations. 3 3. International advanced wireless chip and circuit design technology, compatible with all wireless devices. Through the auxiliary line input, you can directly connect external devices, such as tablets / TVs / mobile phones. 4 4. It uses high-fidelity speakers to ensure clear sound. 5 5. Support TF card and USB card. Support Bluetooth mode connection.