Stereo Sound Wireless Bluetooth Headset High Fidelity Sports Headphones

Each texture is rigorously inspected, and each arc is repeatedly polished, each color is subtle. This is the details and attitude.
Using CNC ingot prototypes to create metal sound chambers using CNC precision technology
Diamond cutting and forming make the outline look refined
The metal surface is anodized for easy discoloration and safer.
Bluetooth version: V4.1
Working distance: â‰¦10 meters
Charging voltage: DC 5V
Working voltage: DC 3.7 V
Battery capacity: 45mAh
Frequency range: 20Hz-20KHz
Speaker impedance: 16Ω +/- 10%
Loud speaker size: 8mm
Rated power: 2mW
Sensitivity: 102+/- 3dB
Microphone:builtin

General
Model	S9
Material	Aluminum alloy
Quantity	1 set
Connections
Connection	Bluetooth
Bluetooth Version	Bluetooth V4.2
Bluetooth Chip	4.2
Operating Range	10 m
Specification
Headphone Style	In-Ear , Bilateral
Waterproof Level	IPX0 (Not Protected)
Applicable Products	Universal
Headphone Features	HiFi , For Sports & Exercise , Long Time Standby , Noise-Canceling , Volume Control , Lightweight , Portable
Support Memory Card	No
Audio Properties
Support Apt-X	No
Sensitivity	102 +/- 3dB
Frequency Response	20Hz-20KHz
Impedance	16+/- 10ohm
Power
Built-in Battery Capacity	45mAh
Standby Time	15 hour
Talk Time	4 hour
Music Play Time	3 hour

Dimensions & Weight
Dimensions	3.15 in x 1.97 in x 1.18 in (8 cm x 5 cm x 3 cm)
Weight	1.41 oz (40 g)

Packing List
1 x Bluetooth Headphone 1 x Data line 1 x English manual 3 x Three sets of earphone caps 1 x PU leather bag 1 x Collar clip

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