ZEALOT 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.    

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:
Brand: ZEALOT
Model Number: B20
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
Color: Black, Black with Gold, Black with Silver, White with Blue (Optional)
Main Item Size: 18.0 * 16.4 * 8.0cm / 7.08 * 6.45 * 3.14in
Item Weight: 206g / 7.26oz
Package Size: 19.4 * 15.2 * 8.9cm / 7.63 * 5.98 * 3.50in
Package Weight: 410g / 14.46oz

Package List:
1 * Bluetooth Headset
1 * USB Cable
1 * 3.5mm Audio Cable
1 * User Manual (English / Chinese)