Handsfree Bluetooth Headset with Noise cancellation technology for noise minimization and absolute sound insulation. With vibration and extendable cable. Wireless, stylish and practical, with excellent sound and particularly durable construction. Features: Bluetooth: V5.2 Range: 10 meters Supported protocols: A2DP, AVRCP, HFP Noise cancellation technology Indicator light to see battery level Vibration notification Type: In-Ear Built-in microphone Button for instant call answer Support for simultaneous connection of 2 devices Built-in rechargeable battery: 100mah Li-ion battery Charging time: 2 hours Usage time: up to 10 hours Standby time: up to 170 hours Frequency: 20Hz-20KHz Resistance: 16 Ohm ± 15% Sensitivity: 95dB ± 3dB Materials: Aluminum, ABS Clip mount Device dimensions: 6.5 x 3 x 1.8 cm Cable length: 30cm, foldable Weight: 20 g. Included: 3 x Silicone Tips (S, M, L) USB charging cable included User manual in English