Features:
Qualified driver units of the on ear headphones deliver full, balanced sound for a complete listening experience from 20 - 20,000 Hz.
Foldable on ear headphones without cord, which is not only designed for saving your desk space but for convenient carrying in your bag.
Built-in rechargeable Lithium battery can work for up to 15 hours and its standby time can reach to 450 hours per charge cycle.
Comes with padded headband, cushioned & pressure-relieving ear pads, super comfortable to wear.
With high-sensitivity microphone, you can enjoy clear hands-free calls anytime and anywhere.
Ergonomic design, the headband length is adjustable, meeting different sizes of heads.
BT technology ensures hassle-free pairing and reliable transmission with smart devices
BT connection, TF Card, Aux In Devices, FM Radio, receiving calls are supported.

Specifications:
Model Number: DH888
BT Version: 5.0
Operation Distance: 10m
Battery: 3.7V 400mAh Rechargeable Polymer Lithium Battery
Frequency Range: 20H-20,000Hz
Impedance: 32Ω
Working Time: up to 15 hours
Standby Time: 120 hours  
Charging Time: 2 hours
Charge Port: Micro USB
Plug Type: 3.5mm Audio Port
Color: Black, Matte Black, Gold, Rose Gold (Optional)
Charge Input Voltage: DC 5V
Main Item Size: approx. 20 * 16.5 * 7cm / 7.87 * 6.5 * 2.76in
Item Weight: approx. 200g / 7.05oz
Package Size: approx. 16.5 * 14.9 * 9cm / 6.5 * 5.87 * 3.54in
Package Weight: approx. 301g / 10.62oz

Package List:
1 * Headset
1 * USB Cable
1 * Audio Cable  
1 * English User Manual