smart watch:
Model: d20 / Y68 Smart Band; smart watch
Waterproof level: ip65
Compatible system: android 4.4 and above, Ios 8.0 and above
Screen size: 1.44 inch
Screen type: 240 * 240
BT: 4.0ble (low power)
Battery Capacity: 150 mAh
Charging method: clip charger
Charging time: about 1.5 hours
Battery life: using time for 5 days, standby time for 7 days
Data storage: record 7 days of sports mileage, total 15 days per day
Main function: heart rate, blood pressure, blood oxygen, pedometer, calories, information reminder, sedentary reminder, Facebook, Twitter, sleep monitoring, remote control camera, intelligent anti-loss,
Looking for a bracelet, raised the screen bright hand.

Ear Headphone:
Model: f9 Tws Earphone
Headphones Weight: 4g * 2
Charging case weight: 39.6 grams
Standard: v5.0 2823b
Frequency range: 2.4026 GHz - 2.480 GHz
Operation: Class 2
Mode: headphone / handsfree / a2dp / avrcp
Operating range: up to 30 feet (10 meters)
One earbud battery: 50 mAh
Charging case battery: 2000 mAh
MP3 playback time: 3.5 hours with medium sound
Standby time: 100 hours
Charging time: ≤ 1.5 hours
Charging voltage: 3.7V