Samsung Gear IconX wireless earphones. Protective case also used for of line charging (Built-in Charger)

The Gear IconX sit snug in your ears in the most comfortable way. And yes, you can run, jump and carry on with life. They're designed to stay put.
Connectivity
USB Version: USB 2.0
Bluetooth Version: Bluetooth v4.1
Bluetooth Profiles: A2DP, AVRCP, HFP
PC Sync: Gear IconX PC Manager
General Information:
Color: Black
Compatible Specification of Smartphone: Android 4.4
Package Contents: Charging Case, Earbuds, Eartips (S, M, L) Quick Start Guide, USB Connector, USB Cable, Wingtips (S, M, L)
Memory
Available Memory (GB): 3.5
Number of Songs: Up to 1,000
Sensors: Accelerometer, HR Sensor
Physical specification
Earbud Dimension (HxWxD): 18.9 x 26.4 x 26.0 mm
Earbud Weight: 6.3 g
Case Dimension (HxWxD): 30.3 x 92.0 x 35.3 mm
Case Weight: 52 g
Durability: Splash Resistant (P2i Nano Coating)
Battery
Battery Capacity (Earbud): 47 mAh
Battery Capacity (Case): 315 mAh
Number of Charges: Up to 2 Times
Standalone Music Play: Up to 3.8 h
Standalone Music Play with Workout: Up to 3.4 h
Audio Streaming (Bluetooth Connected): Up to 1.6 h
Audio Streaming (Bluetooth Connected) with Workout: Up to 1.5 h
Audio and Video
Audio Playing Format: MP3, M4A, AAC, WAV, WMA (WMA v9)
Number of MIC (per Earbud): 2 EA
Services and Applications
Voice Guidance: Chinese Cantonese, Chinese Mandarin, Dutch, English (US, UK) , French, German, Italian, Japanese, Korean, Portuguese (Latin) , Russian, Spanish (Latin, Spain) , Turkish
Data Measured: Calories Burned, Distance, Duration, Heart Rate, Speed