Feature: 1. Bluetooth 5.0 provides an unbreakable connection (wireless range of 33 ft/10m). 2. Compatible with most Bluetooth‑enabled devices, such as mobile phones, laptops, tablets, TVs, computers, etc. 3. The 40mm/1.6in large aperture driver provides HI‑FI audio and powerful bass. 4. Dual microphones, high‑definition noise reduction calls, comfortable to wear, retractable and foldable, card playback, with FM radio, support 3.5MM socket, ergonomic design, very suitable for your head. 5. Memory foam protein ear cushions can completely cover your ears and reduce pressure for maximum comfort. 6. 10m distance transmission, stable signal, stable transmission, low power consumption, compatible with mobile phones/compatible notebook computers/Bluetooth devices, etc. 7. Compatible with 99% for Android, for IOS, for Windows, for Symbian mobile phones with Bluetooth function, the active noise reduction headset uses advanced technology. 8. It can block background noise, and you can immerse yourself in the music world even in busy streets/offices/buses/trains/cars, etc. The noise cancellation function works well in wireless mode. 9. Noise-cancelling heavy bass stereo music foldable earphones, bluetooth sports earphones, wireless bluetooth stereo earphones, for music/games/computers, support memory card with microphone cable. Specification: Condition: 100% brand newItem type: Wireless Bluetooth HeadsetMaterial: ABSWeight: Approx. 401g Model: EL-B5 Drive: about 40mm Impedance: 32Ω Bluetooth version: Bluetooth V5.0 Bluetooth use frequency range : 2.4GHz Power level: CLASS II Bluetooth distance: 10 meters without barriers With A2DP/AVRCP high-quality stereo audio transmission and remote control protocol Charging time: about 2 hours Talk time: about 10-12 hours Music time: about 10-12 hours Standby time: about 120 hours Battery capacity: 250MAH (polymer lithium battery) Charging power supply: DC5V power supply Compatible mobile phones: compatible for Android, for IOS, for Windows, for Symbian 99% mobile phones with Bluetooth function. Package List: 1 x Headphone 1 x USB charging cable 1 x AUX audio cable 1 x Instruction