About this Wireless Noise Cancelling Headphones with Inline Microphone:
- Folding high performance noise cancelling wireless headset in EVA zipper case .
- Power/Technology: Rechargeable Lithium Ion Battery: 3.7V/250 mAh; Speaker diameter/driver: F40mm; Sensitivity: 105dB±3dB; Impedance: 32O; Frequency Response: 20Hz-20KHz; Active cancellation: up to 15~20dB between 100~1kHz; Frequency range microphone 20Hz—16 kHz; Sensitivity microphone: 40±3dB; Transmit Range: 10m (30 ft); Bluetooth® Version: 4.1 .
- Features soft PU headband and control buttons on side of headset .
- Compatible with most audio equipment with Bluetooth® capabilities .
- Playback time: up to 10 hours, depending on use .
- Item must be charged prior to first use. Charge time varies by device, minimum charge time 2 to 3 hours.
- Charging cable and instructions included .
- FCC Approved .
- WARNING: Refer to the item manual for safety and warning instructions .
1. Catalog quantities only.
2. Valid only for the standard number of imprint colors/positions included for each item.