Swissten Active Bluetooth Earphones Black

Wireless stereo headphones will be appreciated by all users who require freedom of movement. To listen to your favorite songs, just connect your headphones to your smartphone via bluetooth. The integrated microphone also gives the headphones a handsfree function. Buttons let you control call and volume directly from headphones. Included are 3 sizes of silicone earplugs. SWISSTEN blister pack. Pair model: Swissten Active Bluetooth version: V4.1 Supported: HFP1.5 / HSP1.1 / A2DP1.3 / AVRCP1.5 Working Frequency: 2402 MHz – 2480 MHz Sensitivity: -89dBm Range: <10m Best Work Range: 10m Max Power Headset: 10mW Audio S / N: 94dB Frequency Response: 20Hz – 20 Khz Speaker Type: 10mm Impedance: 16 Ohm + 15% Battery: Lithium Battery 3.7V / 85mAh Music Time: about 4.5 hours Talk Time: about 2 hours Charging Input: Micro USB