Features:
1. 10M Obstacle-free Connection——TWS Earbuds are completely wireless and give you the freedom to move without catching or pulling on any cables.
2. Independent Sound Chambers with 10MM Titanium Film Drivers—— Produces accurate vocals, powerful low frequencies and balanced mid frequencies.
3. Mini Charging Box——Stores and charges the earbuds when you’re not using them, so they are always ready to go when you need them.
4. IPX4 Waterproof——Wear the earbuds in the rain.
5. Sophisticated and Elegant——Your ears and eyes will love the BW-FYE4.
6. Simple Operation——When removed from the charging box, the earbuds automatically power on and connect to the previously paired device.

Specifications:

Brand	Blitzwolf®
Model	BW-FYE4
Color	Iron Gray
Mechanical Materials	PC+ABS
Earbud Type	Ear Hook
Microphone	Yes
Magnetic Absorption	Yes
Control Type	Wireless Connection
bluetooth Version	V5.0
bluetooth Chip	RTL8763BFR
Supported Profile	HSP/HFP/A2DP/AVRCP
Audio Encoding Format	SBC    AAC
Transmission Distance	≥ 33 feet (10m)
Receive Sensitivity	110dB±3dB
Frequency	2.402-2.480GHz, Class 2
Charging Input of the Earbuds	DC 4.75-5.25V/1-45MA
Charging Input of the Charging Box	Micro-USB    DC4.75-5.25 V/1-400MA
Operating Temperature	0℃ - +50℃
Battery Capacity	Earbud——50mAh Polymer lithium battery Charging Box——500 mAh Polymer lithium battery
Charging Time	Time in Charging the Earburds——1.5H Time in Charging the Battery Case + Earbuds——2-3.5H
Music Time	Monaural Earburd with Full Electricity——3-4.5H Consuming All the Electricity of the Charging Box——Up to 20H
Call Time	4.5H
Standby Time	180H
Dimension	Charging Box——75×35×32mm Earbud——16.1×20×14.6mm
Weight	Single Earbud——3.9g Charging Box——34g