Looking for some high quality headphones without breaking the bank? you can expect unbelievable sound quality & superior audio performance using the latest 7dayshop R7 Premium High-Fidelity Bluetooth 4.0 CSR chipset with aptX.
Unbelievable Sound Quality With Deep Bass, Refined Middle and Crisp Treble.
Folding and retractable design, easy to take with you.
Very comfortable for long periods of wear with soft leather ear pads and soft padded headband.
Built-in noise cancelling Microphone for hands-free conversation from Bluetooth mobile phones.
Easy controls for mute, call transfer, voice dial and call answer/end/reject.
Supports remote control of play/pause, previous/next track, volume up and volume down.
3.5mm Line in jack allows headset to work without battery.
Internal Band Measurement: 44-51 cm
Driver Unit: 2 × Φ40mm (SPK)
Impedance: 64±15%Ω at 1000Hz
Sound pressure level (Sensitivity): 108+/-3dB at 1kHz 1mW/IEC318
Frequency Response: 10Hz-20,000Hz
Normal Input Power: 20 mW
Max. Input Power: 30 mW
THD, total harmonic distortion: <1% 1mW at 1000Hz
Bluetooth specification 4.0
Bluetooth profiles: HSP, HFP, A2DP and AVRCP
Bluetooth frequency: 2.40 - 2.48 ghz
Operating distance: 10 metres Class II
Rechargeable 415 mAH Li-polymer battery
Talk time: Up to 18 hours
Music playing time: Up to 17 hours
Standby Time: Up to 384 hours
Charging time: About 3 hours
whats in the box:
3.5mm headphone jack cable
Carry case,Spare ear pads available, search ASIN: B009OEJ9B4
We recommend always using a Bluetooth 4.0 or higher dongle to avoid any problems with older Bluetooth versions and help avoid incompatibility issues.