Specificaties: Bluetooth Version : v.5.0.
-Bluetooth frequency range: 2.402 GHz – 2.480 GHz.
-Transmitting power:< 5 dBm.
-Supported profiles: HFP, HSP, A2DP and AVRCP.
-Recharging time: approx. 2 hrs.
-Operation distance: up to 10 m in the open air.
-Speaker diameter: 40 mm.
-Speaker frequency response: 20 Hz - 20 KHz.
-Sensitivity: 102 +/-3dB at 1KHZ.
-Impedance: 32 Ohm +/-15%
-Microphone type: Full directionalSensitivity: 42db+/-3db.
-Battery: 200 mAh Li-Polymer.
-USB charging cable length: 0.5 m.
-Audio cable length: 1 m.
-Weight :150 g.
-CAUTIONENG: Listening at high volume for a long time can damage your hearing.