BTTB Bluetooth Headphones Wireless Earbuds Earphones
1.Drive:15mm2.Impedance: 32 OHM3.Bluetooth Version: Bluetooth V4.1+EDR4.Bluetooth Frequency:2.4Hz5.Power Grade:Class II6.Output Power:30mW7.Bluetooth Distance: 15 metersaccessible8.FrequencyResponse:20-20000Hz9.Operating Voltage Range:3.0V-4.2V10.Microphone Sensibility:-42dB 11.A2DP/AVRCP High Quality…