Awei by Winland A100BL Over The Ear Wireless Stereo Bluetooth Headphone Strong Bass w/ Built-In Mic

Specification
Model: A100BL
Features:
Bluetooth Version: V5.3
Profile Support: A2DP/AVRCP/HFP/SPP
Talk Time: 6 hours (light on)-11 hour(lights off)
Music Play Time: 7 hours (light on)-12 hours(lights off)
Charging Time: 2.5 Hours
Charging Voltage: 5V
Frequency Range: 2402MHz-2480MHz
Ambient Temperature: -20/+65°C
Transmission Distance: 10m
Battery Capacity: 400mAh
Driver Unit: 40mm
Sensitivity: 118db+/15%
Impedance: 32?+/15%
Frequency Response: 20-20000Hz
Skin-Friendly & eco-friendly materials bring snug wearing experience and better sound insulation after long-term wear.
High quality 40mm moving coils and high performance composite diaphragms are the combination of technology and art for surging
bass, mild middle, and pure treble with rich audio details and immersive experience as concert.
Dazzling and passionate ambient lights create professional e-sports atmosphere
400mAh Li-polymer batteries own 300 hours standy time