Promate High-Fidelity Stereo Over-Ear Wireless Headphones

Technical Specifications:

• Bluetooth Version: 5.3
• Bluetooth Profile: HSP/HFP/A2DP/AVRCP
• Bluetooth Chipset: JL.7003F
• Input: 5V/1A
• Impedance: 32Ω
• Speaker Frequency: 20Hz to 20kHz
• Bluetooth Frequency: 2402-2480 MHz
• Charging Time: 2 Hours
• Playing Time: 24 Hours
• Standby Time: 30 Hours
• Battery Capacity: 300mAh
• Battery Type: Li-Polymer
• Operating Distance: 10-15m
• Speaker Diameter: Φ 40mm
• Mic Sensitivity: -32dB
• Charging Cable Length: 30cm
• RF Output Power: <=20dBm