Functions: support 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 x 1 mission distance: straight-line distance: 15 meters Battery capacity: brand new dual-protection 1200mah of product A (no false capacity, supplied by the factory, stable and reliable quality, ensuring the product's battery cycle service life, standby time and use safety) There may be slight color difference due to different factory batches, which will not affect the use Input: DC 5V 0.5-2A Charging time: 3-4 hours Play time: 6-8 hours (medium volume) Product size: 16.5 x 4.0 x 5.8cm Colour:A: blackandblue or B: blackandred Material:plastic Package Contents: 1 x Radio 1 x Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.