Kamal Voice Change Stereo Earphones KNB02

• Advanced Bluetooth 6.0 wireless technology
• Up to 35-38 hours music playback
• Up to 32-35 hours talk time
• 400mAh high-capacity rechargeable battery
• Fast charging in 1.5-2 hours
• Wireless range up to 10-15 meters
• Powerful 10.2mm speaker drivers
• Deep bass and clear stereo sound
• Built-in microphone for hands-free calling
• Comfortable design for extended wear
• Compatible with smartphones, tablets, laptops, and more

Technical Specifications:

• Bluetooth Version: 6.0
• Battery Capacity: 400mAh
• Music Time: 35-38 Hours
• Talk Time: 32-35 Hours
• Standby Time: 65 Hours
• Charging Time: 1.5-2 Hours
• Transmission Distance: 10-15M
• Speaker Size: 10.2mm
• Output Power: 2mW × 2
• Sensitivity: 120dB @ 1kHz
• Impedance: 32Ω
• Frequency Response: 20Hz-20kHz
• THD: <1%
• Supported Protocols: HSP, HFP, A2DP, AVRCP
• Mic Sensitivity: -42dB
• Mic Impedance: 2200Ω