L21 Pro TWS Bluetooth Wireless Headphones Stereo Sports In-Ear Headsets - Black

• Bluetooth 5.0, more stable, faster connection

• Can quickly pair in a few seconds

• Tap to wake up Siri and talk to your favorite voice assistant

• Lightweight, comfortable to wear, not easy to fall off

• IPX7 waterproof and sweatproof, perfect for sports

Specifications:

• Bluetooth version: Bluetrum 5.0

• Effective operating distance: 10 meters

• Headphone battery capacity: 50mAH

• Charging case battery capacity: 300mAH

• Music time and talk time: 4 hours

• Headphone standby time: 45 hours

• Headphone charging time: 2 hours

• Charging case charging time: 3 hours

• Bluetooth protocol: A2DP1.2/AVRCP1.0/HSP1.0/HFP1.5

• Speaker specification: 8mm 32?

• Microphone sensitivity: 93 dB

• Frequency response range: 20Hz-20KHz