QKSEJ Neck Hanging Bluetooth Headphones Wireless Headphone

Specification: Item Type: Earphone Condition: 100% brand new Color: Red Functions: Bluetooth calls, Bluetooth music playback Control: Play/Pause, Last /Next, +/- Volume Line Length: Approx. 55cm/21.7in Bluetooth Version/Scheme: V4.1 for Z-Star Distortion: ±5%(1KHZ) Battery Capacity: 90MAH Connection Distance: Approx. 15m/49ft TalkTime: 6H Music Time: 6.5H Protocol: HFP.HSP.AVR SP.A2DP Speaker Diameter: 10mm Sensitivity: 42dbx3 (at 1000HZ) Standby Time: 120h Input Voltage: DC5V Material: ABS + PC Package List: 1 x User Manual 1 x Bluetooth Headset 1 x Charging Cable 1 x Clip 2 x Ear Cap