Crystal Bluetooth Headphones

Bluetooth specification: V4.1

Sleek, sharp and simple: Easy to use and aesthetically pleasing

The Bluetooth technology enables you to go to the gym, run, cycle and 10m away from your Bluetooth device

Leave your phone in the locker room and still have control of your song choice with just a click of a button

Built in microphone: You can answer or reject calls with just one tap on the side of the headset. Hands-free and clear quality sound

Adjustable headband: Allows you to create the perfect fit and maximum comfort

Support 3.5mm audio input, convenient for use

Built-in 500mAh Lithium-ion battery: You can be on the move all day with these headphones with the long battery life of 8-10 hours per charge

Charging time is just for 2 hours, wait for the blue flashing light on the control panel

Wearing type: Headband 

Function: Answering Phone, Bluetooth, Microphone, MP3 player, Song Switching, Voice control

Connectivity: Wireless 

Connecting interface: 3.5mm, Micro USB 

Application: Computer, Mobile phone, Portable Media Player, Sport 

Sound channel: Two-channel (stereo) 

Frequency response: 2.402GHZ-2.480GHZ

SNR: No less than 80db

Working Time: 8-10 hours

Bluetooth distance: W/O obstacles 10m 

Bluetooth protocol: A2DP v1.2, AVRCP, HFP, HSP

Battery Types: Lithium-ion battery 

Battery Voltage: DC 5V 

Battery Capacity: 500mAh

Package Contents: 1 RLX Wireless Bluetooth V4.1 Headset Support Handsfree with AUX Slot, 1 x USB Charging Cable, 1 x Audio Cable, 1 x User Manual