L21 PRO TWS Bluetooth Headsets Waterproof Wireless Sports Headsets with Charing Bin – Black

• Bluetooth V5.0 connection, bring you high-fidelity sound quality and stable performance

• Mini size & lightweight, easy to carry, automatically connecting with your phone

• With the charging box you can charge the headphones on the go

• Built-in microphone for hands-free calling and answering by touching

• With ergonomic design, comfortable to wear

• Great for running, hiking, cycling, car driving, business occasion, etc, enjoy superb sound quality instantly 

Specification:

• Product number: TWS-L21pro

• Wireless Type: bluetooth

• Wireless headset version: V5.0

• Style: In-Ear

• Waterproof: No

• Communication distance: 10 meters（no obstacles）

• Charging time: About 2 hours

• Standby time: About 120 hours

• Music time: About 4 hours

• Type of battery: Lithium polymer battery

• Supporting agreement：HEP/HSP/A2D/AVRCP

• Headphone battery capacity: 3.7v 50mAh

• Charge box battery capacity: 3.7v 300mAh

• Function: for Mobile Phone, for HiFi Headphone, for iPod

• Charging Case Recharge Earphones: 5-6 times (both earbuds)

• Size: 2mm*16mm*14mm

• Charging Case Size: 28mmx64mmx42mm

Compatible with:

• Apple/Xiaomi/Huawei etc. and other phones and devices which support Bluetooth 5.0 version