Specifikacija Bluetooth stereo headset "Berlin", white * Bluetooth stereo headphones with built-in microphone * Advanced DSP noise reduction technology * Up to 500 hours of standby time and 15 hours of listening time * Automatically mutes your music in case of incoming calls * Multifunction button, volume control and low battery indication * Comfortable ear cushions and adjustable headband Interface: Bluetooth v.4.1 Transmitting power: max 5 dB Supported profiles: HSP, HFP, A2DP and AVRCP Rechargeable 250 mAh Li-ion battery Recharging time: 2 hrs Operation distance: up to 10 m in the open air Speaker diameter: 40 mm Speaker frequency response: 20 Hz - 20000 Hz Sensitivity: 93 dB Impedance: 32 Ohm Microphone: 360 degrees omni-directional Power consumption: 3.7 V DC, up to 45 mA Dimensions: 170 x 175 x 70 mm (L x W x D) USB charging cable length: 1 m Net weight: 130 g