Sell DM20 4G Smart Watch Support SIM card 3GB 32GB 1.88 inch IPS Screen GPS Wifi 780Mah Li-Battery Smartwatch best price

SPECIFICATIONS Brand: RUGUM Model Name: DM20 Type: Smart Watch Phone OS: Android 7.1 CPU: MTK6739 Cores: 1.25GHz,Quad Core RAM: 1/3GB ROM: 16/32GB Bluetooth Version: 4.0 Network: 2G: GSM B2/B3/B5/B8 3G: WCDMA B1/B2/B5/B8 3G: TD-SCDMA B34/39 4G: LTE_FDD:B1/B2/B3/B5/B7/B8/B12/B17/B20 4G: LTE-TDD:B38/39/40/41(100MHz) External Memory: Not Supported Compatible OS: Android,IOS Certificate: CE GPS: GPS Support, Capacitable with GLONASS WIFI: Support 2.4G\5G Pedometer: Support Bettery: 780mAh Ploymer Li-Battery Charging Time: 3 hours about Standby Time: 2 days about Working Time: 1 day about Screen type: IPS Full Mount Screen Screen size: 1.88 inch Camera type: Single camera Back camera: 2.0MP SIM Card Slot: Single SIM Picture format: GIF,JPG,PNG Music format: FLAC,MP3 Video format: MP4,RM,RMVB FEATURES 1/3GB RAM and 16/32GB ROM enable the system to run more smoothly 780mAh Big Battery Ploymer Li-Battery 2.0MP camera Android 7.1.1 system HD Big Size Display large memory SIM calling(Support 2/3/4g),GPS,APP download, Browser,music, heart rate,step counter,multi-sports ,looking phone, camera, record Note: Wearable devices monitors human activities through electronic sensors,and they are at the consumer electuonics level.It's normal for certain deviation.The user should treat data objectively.