Screen size: 1.5 inches Interface: USB 2.0 Body memory: 64MScreen material: capacitive screenWearing method: wrist strapCompatible system: android platformCommunication function: supportMenu language: multi-languageAdditional features: health monitoring, information push, smart reminder, step counter, audio and video entertainment, social entertainment, remote self-timerWireless distance: 5m (inclusive) -10m (inclusive)Battery capacity: 380 mAh Screen resolution: 240*240Wristband material: stainless steel[product parameters]:Network type: GSM/GPRS 850/900/1800/1900MHz;Appearance size: 46.8mm*40.6mm*11.8mmMemory: 128M+64M;Bluetooth connection Standby: 2-3 weeks;Normal use: > 2 days;【Product Features】:Phone book, Bluetooth call, local call.SMS: local SMS; mobile phone SMS Bluetooth synchronous push.Entertainment: Bluetooth music playback. .Call reminder: ringtone and vibration reminder.Clock display: 3 sets of display clocks, free to switch; click to switch.Two-way anti-lost: anti-lost reminder, two-way search.Pedometer: sports step, calorie consumption calculation, exercise mileage record.Sedentary reminder: sedentary reminder.Photo: watch photo; local memory storage; picture display: PNG, JPG, watch remote control phone photo; storage to mobile phone; picture display: PNG, JPG.Other functions: alarm clock; calendar; stopwatch; calculator, etc.Bluetooth push information: QQ, WeChat, Twitter, Facebook and other timely information, SMS push, news and other client information, system settings information.