Brand Name: JINSERTA Origin: Mainland China Compatible Devices: Others Designed for motor vehicle installation: No Balanced Out: Yes Streaming Service Compatibility: Other High-concerned chemical: none Dimensions (WxHxD): 75*37*10mm Battery Specification: Polymer Battery Display Size: 1.5 inches Supports FM: Yes External Memory: Yes Have Speakers or not: Yes Bluetooth: No Battery Life: > 20 hours WIFI: No Operation Mode: Touch Tone Supports Recording Function: Yes Screen: Yes Supports EBook Reading: Yes DSP: yes Function: Photo Viewer Function: E-Book Reading Function: Build in Speaker Function: FM Radio Package: No Audio Format Support: WAV Audio Format Support: MP3, WAV Audio Format Support: ASF Audio Format Support: WMA Audio Format Support: Ogg Audio Format Support: FLAC DAC: yes Model Number: E3493 Style: mp3 Body Material: Metal Certification: NONE Signal Noise Ratio: ≥110dB Storage Type: Flash Memory