Chipset: Bluetooth 5.0 Chipset Action 3015with 60MS latency connection and smart Led Display Size: Earbuds: L36.7mm * W20.6 mm *H17.7mm Charger Box: 78mm*46mm*32mm Weight: Earbuds:5.6g*2; Box: 52g Battery : Earbud :35mAh*2, Charger box :300mAh Color: Blue/White BT radio frequency : 2.400-2.481GHz Audio Frequency Range: 20Hz-20kHz Bluetooth Protocols : Headset/Hand free/A2DP/AVRCP/EDR/、AAC Operating Range: Up To 30 feet (10 meters) Talking Time: Up To 4hours Play Music Time: Up To 4hours Standby Time: Up to 120hours Charging Time : 1.5hours Compatibilty : ISO & Andirod and Windows PC device Click Method: Touch Waterproof: IPX4 Accessories : Micro USB charging cable, User manual, Silicon gel*2sets Selling point: 1: Good fit to play Mobile or PC Games 2: Outstanding Sound. 3: 60ms Latency Connection.