Functions: Supports Bluetooth connection, hands-free call, TWS series connection, TF card, USB, FM radio, audio output Bluetooth version: Bluetooth 5.0 Speaker specification: Full-frequency speaker 52mm 4 ohm 5W * 1 Transmission distance: Line-of-sight distance up to 15 meters Battery capacity: Built-in 1200mAh battery (dual protection, factory supplied, stable and reliable performance, ensures battery cycle life, standby time, and usage safety) Slight color variation may occur between production batches, which does not affect functionality Input: DC 5V 0.5-2A Charging time: 3-4 hours Play time: 6-8 hours (at medium volume) Product dimensions: 16.5 x 4.0 x 5.8 cm Color: Black + Red Material: Plastic Package contents: 1 x Radio, 1 x Charging Cable Note: Light reflection and display differences may cause slight color variations between the image and actual item. Measurement error allowed is +/- 1-3 cm Only the items listed are included; other products are not included