Memory card type: miniSD cardModel: Q22Screen size: 1.2 inchesGift use: points redeemed for gifts, business gifts, advertising gifts, promotional gifts, conference gifts, festive gifts, commendation gifts, public relations gifts, personal giftsScreen resolution: 160128Interface: Mini USBHeadphone jack: two-wayAdditional functions: watch function, recording function, external playback function, e-book reading, direct recording functionMenu language: Chinese, English and other 28 languagesBattery type: lithium batteryMemory capacity: 4GB, 8GB, 16GB, 32GBSupported audio format: WAVApplicable people: students, music enthusiasts, teachers, trainers, business people, public security personnel, lawyers, journalists, public figures, young caregiversExpansion card: not supportedBattery capacity: 170maAttribute 3: mp4Operation mode: touch + buttonAttribute 1: HDProduct size: 108x23x9.5Battery life: 40Screen color: LCD