This portable wireless in-ear double Bluetooth headset, with high sensitivity and wide response frequency, capture every details and provides you double stereo HiFi sound, you can use them separately or simultaneously.
Main Features:
● Bluetooth V4.2 wireless connection
● Features with noise cancellation and sweat resistance
● Multi-point connection allows to connect two Bluetooth devices at the same time
● English voice prompt offers thoughtful service for you
● High definition microphone brings you a clear conversation
● 400mAh Li-ion battery charging base can charge the double headset 4 or 5 times
● Built-in 45mAh Li-ion battery lasts 300 hours standby time for double use
● Strong magnet is conducive for connecting with charging base
● Aluminium alloy and anodized colored appearance, elegant and exquisite
● Compact size and light reduce the burden on your ears

Specification

General	Function: Answering Phone,Microphone,Multi connection function,Noise Cancelling,Sweatproof,Voice Prompt Language: English Material: Aluminum Alloy
Product Details	Connectivity: Wireless Application: For iPod,Mobile phone,Sport Frequency response: 8Hz - 25KHz Impedance: 9ohms Sensitivity: 123dB Input Power: 5V Talk time: continous 2.5 hours Music Time: 10 hours Standby time: 300 hours Charging Time.: 1 hour
Extended Function	Bluetooth: Yes Bluetooth Version: V4.2 Bluetooth distance: W/O obstacles 10m Bluetooth protocol: A2DP,AVRCP,HFP,HSP Bluetooth mode: Hands free
Battery Information	Battery Capacity(mAh): 45mAh for each headset
Dimension and Weight	Product weight: 0.0120 kg Package weight: 0.1130 kg Product size (L x W x H): 1.95 x 1.95 x 2.50 cm / 0.77 x 0.77 x 0.98 inches Package size (L x W x H): 15.50 x 6.70 x 5.00 cm / 6.1 x 2.64 x 1.97 inches
Package Contents	Package Contents: 1 x K2 Double Headset ( Included Charging Base ), 2 x Pair of Standby Earbud Tips, 1 x Pair of Standby Ear Hook, 1 x USB Cable, 1 x Chinese and English Manual