Parameters:
Audio
Type: In-Ear Style
Noise-isolation: Passive
Impedance: 16 Ohm
Speaker sensitivity: 103 +-3dB At 1KHz
Frequency Response :20HZ - 20KHZ /+-1dB
S/N Ratio: 90dB
Output 12mW RMS (with level limit)
Total Harmonic Distortion Audio Format: Audio codec: SBC,MP3,and AAC APT-X Decode support
Integrated Microphone
Type: MEMS omni-directional (2.75 x 1.85 mm2)
Sensitivity: -42dB+-3dB(1KHZ,0dB=1V/Pa)

Bluetooth
Bluetooth version: Bluetooth V4.0
Frequency Band: 2.402GHz ~ 2.480GHz
Bluetooth protocol: HFP v1.6 wideband speech (HD voice ready),HSP v1.2,A2DP v1.2,AVRCP v1.4
Transmit range: 10 meters

Battery
Play time: 6 hours
Standby time: 240 hours
AC power: DC 5V 200mA
Battery type: 3.7v Lithium Polymer
Battery capacity: 80mah
Charging time: Less than 1.5 hours
Charging port: Micro USB

Weight & Dimensions
Width: 14 mm
Height: 33.5 mm
Lenght: 29 mm
Weight: 13g
Cord Length: 540 mm

Operation
Operating temperature: 14F - 122F (-10C - 50C)
Storage temperature: -4F - 140F (-20C - 60C)

Package:
1 x Bluetooth headphone S610
1 x User manual
2 x Ear cushion
6 x Ear rubber
1 x USB cable for charging

• Advanced Technology: With bluetooth 4.0 and apt-X tech, the headphones ensure high-fidelity stereo music and clear speech within 10 meters. Invisible nano-coating technology protect earbuds against sweat during running and workouts.
• High Quality Guarantee: Noise cancellation makes you enjoy a clear sound in noisy occasion. Powerful rechargeable battery provide 5 hours of Talking/Playing time. Rubber adapters, unique flexible design and custom earbuds ensure you get it perfect fit and remain stable in your ear.
• Easy Access: The simple user interface on one of the earphones allows you adjust the volume, play/pause, select songs and answer/hang up calls completely effortlessly.
• Universal Compatibility: S620 headphones can work seamlessly with your iPad, iPhone, iPod Touch, Android Smartphones, tablets, Bluetooth-enabled music players and any device with bluetooth connection.
• Retail package includes manual, charger cable, earphones and removable earhooks

Advanced Technology: With bluetooth 4.0 and apt-X tech, the headphones ensure high-fidelity stereo music and clear speech within 10 meters. Invisible nano-coating technology protect earbuds against sweat during running and workouts.eoqo