Product Function: Support bluetooth connection, hands-free call, TWS couplet, TF card, USB, FM radio, AUX; Bluetooth version: Bluetooth 5.0; Speaker specifications: A product full range speaker 40mm 4 3W * 2; Transmission distance: 12 meters in a straight line without obstruction; Battery Capacity: A brand new 1500mAh dual protection device Input: DC 5V 0.5-2A; Charging time: 3-4 hours; Play time: 8-10 hours; Size: 18 * 4.3 * 6.3cm; Color: blue, silver gray, red Material: Plastic; Package contents: 1 * bluetooth speaker 1 * charging cable 1 * audio cable 1 * instruction 1. Stereo: This bluetooth 5.0 is generated by two 3W HD speakers and two high-performance sound drivers, offer a 360 surround sound for rich, clear and powerful sound. 2. SEAMLESS CONNECTION: You connect iPhone, iPad, smartphones, tablets, Windows in seconds via Bluetooth 5.0 The Bluetooth range is 10m. 3.5mm AUX-In audio port for non-Bluetooth devices. Support TF card (max 32GB) / USB. 3. LONG PLAY TIME: Bluetooth speaker box adopt 1500mAh battery, convenient charging via any USB port, delivers up to 8 hours of music enjoyment. With the hands-free function you can talk to your family while you cook. 4. SMALL AND HANDY: This portable speaker is super light and easy to fit in your backpack wherever you are. Perfect for travel and hiking. With the FM radio function, you can listen to your favorite stations on the go. 5. What we offer you: Portable Bluetooth speakers, 1 x USB cable, 1 x 3.5 mm audio cable, 1 x user manual.