Speaker,Receiver:YES,Speaker and earpiece in one unit
Battery capacity: 220mah
Basic Functions:NPC,Steps,Distance,Calories,Heart Rate/Blood Pressure/Oxygen,BT Call,BT Music,Body Temperature,Monitor,Sleep Monitor,Call Reminder,SMS Reminder,Social APP Message Reminder,Alarm Reminder,Sedentary Reminder,Exercise,Turn Wrist to Light Up the Screen,Search for Bracelet,Search for Mobile Phone,Remote Control Photo,Reject Call,Do Not Disturb,Multi-Dial Switching