Description: Bluetooth version V4.0 + EDR for most Bluetooth-enabled devices. Elastic woven material, warm, soft and elegant design. Let's you listen to music and talk while doing various other activities. Built-in microphone, can be used to directly transfer the call to your audio device. Built-in rechargeable lithium-ion battery, charging through a USB cable. The speaker is detachable
specification:
Bluetooth version: V4.0 + EDR Frequency: 2.0Hz-20 kHz Transmission distance: 10 M Lithium-ion battery: 180 mAh Charging time: 2 H Continuous talk time: 4-6 H Music playback time Bluetooth: 3-6 hours Standby time: 21 Sensitivity: 95DB Impedance: 32 ohms Speaker size: 32 mm
