OneDer S3 2 in1 Headphone & Speaker Portable Wireless Bluetooth Headphone Noise Cancelling Over Ear Stereo(Black) Tape-Security Alarm DisplayPort connector assists in blind

DisplayPort connector assists in blind connection

connector inside diameter: 0

Four gear angles are adjustable

Loading Container 20GP: 520 cartons * 400 pcs = 208000 pcs

the left and right earphones are automatically connected

OneDer S3 2 in1 Headphone & Speaker Portable Wireless Bluetooth Headphone Noise Cancelling Over Ear Stereo(Black) Tape-Security Alarm DisplayPort connector assists in blindFeatures: 1. Bluetooth speaker, built in microphone, hands free function 2. Leather earmuffs, the port is foldable and adjustable 3. Rechargeable lithium ion battery, charging port: micro USB 4. External earphone speaker Specifications: Distance: 10M Bluetooth version: 5. 0 + EDR Speaker power: 3W Resistance: 8 F. R.: 20Hz 20Khz Distortion: 90DB Battery capacity: 900MAH 1. Product size: 180x80x183MM, earphone folding size: 180x80x145MM 2. Product