Feature:
-In-ear Truly Wireless Bluetooth headphones offer you a truly natural, authentic sound and powerful bass performance.
-Easily pick up 2 headsets from the charge box, then they will connect with your mobile phone or tablet automatically.

Specifications:
Bluetooth version: 5.0
Bluetooth profiles: HSP,HFP, A2DP and AVRCP
Bluetooth operating distance: 10 meters (equal to 33 feet)
RF Frequency range: 2.402GHz-4.480GHz
Charging current: DC 3.7 V 200 mA
Frequency response: 20-20000 Hz
Charging case battery capacity: 500mAh
Working time: 4 hours for music/talk time
Standby time: Approximate 100 hrs
Built-in battery capacity: 50mAH/earbud

Advanced Bluetooth 5.0
Faster, stronger and more stable connection let you enjoy the fun of wireless. Almost imperceptible latency let you enjoy music and games.

Sweatproof
Resistant to sweat perfect for sports, jogging, gym exercise, watching TV, or sleep.

Package Content:
1 x Bluetooth Earphones 
1 x Charging Case
1 x USB Charging Cable(Adapter not included)
1 x User Manual