• Connectivity : Wireless, Connecting interface: Micro USB 
• Application: Mobile phone,Computer,Portable Media Player 
• Talk time: 6 hours, Music Time: 4 hours, Standby time: 200 hours

Havit I99 TWS True Wireless Stereo Earbuds In-ear Detection Technology Hall-effect Switch Type-C Charging Port Binaural Call

1000mA polymer lithium battery

Charging time: 3 to 3.5 hours

Standby time: 300H

Talk time: up to 25 hours

Music time: up to about 38.5 hours (BT mode, up to 20 hours (in BT + light mode)

7 keys

Bluetooth pairing

• Magnetic fixed design
• Decode chips/ fidelity sound
• Oblique in-ear monitor/ wear stability
• Soft and comfortable.

i7 TWS Mini Wireless Bluetooth Earphone Music Earpiece Headset Sport Earbuds Headphone With Mic For Phone Driver

Flexible two-way design allows you to wear the headphones either in-ear or behind-the-ear. Sweatproof TwistLock and FlexSoft technologies

• Neck twining and magnetic adsorption design
• Multi-Functional wire control operation
• Perfect comfortable wear experience
• Environmental friendly material. high-elasticity, high-toughness wire.

Enjoy Unbound Sound

Super-Long Standby

HD Voice

40mm Drivers / 32 Ohm Impedance

Frequency 20Hz - 20kHz

3.5mm AUX Jack and Cable

500mAh Battery

Up to 40 hours Battery Life

Ergonomic Design

Foldable Headband

• iPhone, Samsung, Huawei etc. and other Bluetooth-enabled devices. 
• Remote control with mic, multi-function and convenient,
• Two wire control box, balance ear force
• V4.1 Bluetooth version, great compatibility with iOS, Android Bluetooth-enabled devices 

• Best Earbuds with Flexible Neckband
• Quick Charging Tech.(for Flex Pro)
• Perfect Sound with aac codecs
• Flexible Neckband Design
• Up to 10 hours music time

Remax RB-520HB wireless bluetooth v4.1 with AUX audio Cable Headphone, Built-in 300mAh Rechargeable Battery can use up to 14h of continuous hearing music. PU coated material, feels very smoothly without feeling heart ear when hearing, with fairly large diameter is 76mm ear Pointing Smart Noise Reduction.