Oem Custom Logo High Quality Wireless Over The Ear Headband Bamboo Headphones With Detachable Mic

Bluetooth: version; 5.3, chip brand model; SMIC AB5602, distance; 10 meters
Function: Bluetooth, TF, FM, AUX, ear return (KTV)
Audio frequency range: 20~20 kHz
Speaker: 40mm, Impedance: 32Ω±15%, Sensitivity: 105±3 dB
Microphone: 4015 omnidirectional, impedance 2.2K -42dB
Battery: 300mAh, charging time; 1-3H, standby; 365 days, working time; 8~10H, connection method; Micro USB
Folding: foldable (convenient for storage, customizable storage bag)
Material: ABS+metal+PU
Appearance: Unpainted
Certification: FCC CE RoHS REACH
Color: black, white