Bluetooth Headphone Wireless Stereo Earphone Foldable Over Ear Headset 3.5mm AUX In Hands-free w/ Microphone

OverviewZEALOT B20 can be used both wired (via the 3.5mm audio cable) and wireless (via Bluetooth). With the high-quality microphone, the headset supports hands-free calls. Its artificial protein leather of earmuffs simulated to human skin texture, giving you long-time comfort. Features: Bluetooth Connection: With Bluetooth function, easy to pair with almost all the BT-enabled audio devices, freely to enjoy wireless music and HD hands-free calls. Stereo sound quality: 40mm dynamic drivers transmit high fidelity and powerful bass, bringing great sound effect, just immersing in the music world. Line-in function: Connect to the music players (such as, MP3 / MP4, etc) without Bluetooth function via the included 3.5mm cable. Long Battery Life: Built-in 400mAh rechargeable battery lasts up to 10 hours of music playing time and 300 hours of standby time per charge cycle. Ergonomic Design: Foldable and adjustable headband length, soft leather ear cushion, comfortable to wear and easy for storage. Specifications: Bluetooth version: 4.0 Support Profiles: HSP, HFP, A2DP, AVRCP Transmission Distance: up to 10m (no obstacle) Frequency Responce: 20-20KHz Resistance: 32ohm Sensitivity: 78±3db SNR: ≥98dB Microphone: Built-in Plug Type: 3.5mm Audio Port Battery Capacity: 400mAh Music Playing Time: about 10 hours (depends on the volume) Talk Time: about 8 hours Standby Time: about 300 hours Charging Time: 1-2 hours Charging Voltage: DC 5V Package List: 1 * Bluetooth Headset 1 * USB Cable 1 * 3.5mm Audio Cable 1 * User Manual (English / Chinese)