Key Features:IF Card Support: Maximum support for 32GB IF card, enabling extensive media storage.Bluetooth Music Connectivity: Easily connects to Bluetooth-enabled devices for seamless music streaming.Bluetooth & Connectivity:Bluetooth Version: JL (AC6956C8) V5.3Supported Protocols: HSP, HFP, A2DP, AVRCPAudio Performance:Amplifier Chip: BP1048B2 + D-Class Amplifier Chip HAA3605 for high-quality sound output.Speaker Power: 60W, delivering powerful audio.Signal-to-Noise Ratio: ≥80dB, ensuring clear and distortion-free sound.Frequency Response: 20Hz – 20KHz, covering a wide range of audio frequencies for an immersive listening experience.Battery & Charging:Battery Capacity: 4000mAH / 7.4V for long-lasting playback.Charging Time: 5 hours for a full charge.Music Playback Time: 4-5 hours at 70% volume.Charging Input: Micro USB, DC5V.Physical Specifications:Dimensions: L350 x W140 x H200 mm, compact yet powerful design.Package Includes:User ManualUSB Charging Cable