Welcome to our store! 1. Built-in wireless Bluetooth transmission: This portable radio Bluetooth speaker has built-in wireless Bluetooth transmission and stereo audio transmission protocol. 2. Supports FM automatic station search: This portable radio Bluetooth speaker supports automatic FM station search, you can always listen to the radio station outdoors. 3. External 3.5mm terminal all audio inputs: This portable radio Bluetooth speaker supports external 3.5mm terminal for all audio inputs. 4. Supports recycling charging: This portable radio Bluetooth speaker supports recycling charging and can be used outdoors without worrying about running out of power. 5. Wireless connection: This portable radio Bluetooth speaker has a wireless connection distance of up to 10 meters, making it very convenient to listen to the radio. Item Type: Portable Radio Bluetooth Speaker Shell Material: Plastic, Iron Mesh Color: Black Size: Approx. 210 x 112 x 112 mm/8.3 x 4.4 x 4.4 inches Product Battery: 3.7V 1200mah Lithium Battery (Built-in) 1 x Bluetooth Speaker 1 x USB Charging Cable 100% satisfied: Our customers are our top priority. If you find any product issues after receiving the item, such as damage and incorrect quantity of goods, please contact the seller immediately. We do our best to provide you with satisfactory after-sales service. Thank you for shopping with us!