Bentmax Fm Radio With Bluetooth Retro Bluetooth Speaker Vintage Radio With Product Specifications: Item Dimensions: 6.54.33.5(LDH) inches Item Weight: 1.65 lb (750 grams) Wireless Connection: Bluetooth V5.0 Working Temperature: -10~40?/ 14~104? Battery Capacity: 4.2V 1800 mAh (7.56Wh) Charge Input: DC 5V / 500~1000mA Charging Time: 2 Hours Playback Time: 10 Hours FM Radio Bands: 87.5~108 MHz Tuning Type: Rotary FM Tuning Dial Speaker Unit Size: 57 mm Speaker Impedance: 4 ? Speaker Power: 5 Watt Frequency Range: 20~18000Hz(3) Signal/Noise Ratio: ?80 dB Package Content: 1 Bluetooth FM Radio 1 USB Charging Cable 1 3.5mm Audio Cable 1 User Manual Retro design with modern features: You can enjoy FM radio bands as well as stream your favorite songs from your smartphone via Bluetooth connection or Play tracks from Micro SD card/USB storage. Stable Bluetooth 5.0 Wide-range Connectivity: Enjoy your favorite tracks wirelessly from your smartphone or from any other Bluetooth-enabled devices such as a tablet, laptop, or portable music player. Dedicated Bass Knob Built-in Full-range Speaker: 5W high-quality speaker unit inside, provides distortion-free sound reproduction. You can also adjust the bass level via the dedicated bass tuner. Enjoy Tracks from Micro SD Card/USB Storage or AUX input: It's not only an FM radio/Bluetooth speaker but also a music player when you insert a Micro SD card or plug a USB storage with songs. Supports up to 128GB memory. It also has a 3.5mm AUX input port that supports audio input via audio cable (included). Built-in 1800mAh Rechargeable Battery: Provides up to 10 hours of continual music streaming or FM radio reception. Easy to recharge via a cellphone charger or any other USB power output of 5V/0.5~1A (USB charger adapter not included) ?Buy with Confidence?30-day money-back guarantee,12 months manufacturer warranty backed for your purchase. 7-day online after-sale support.