Feature: 1. LONG STANDBY TIME: Single ear bluetooth earpiece can talk continuously for 1012 hours and has a standby time of up to 400 hours, with a quick 1.5 hour charge for reliable wireless calls all day long. LED digital display to check the charge level of the charging compartment at any time. Specification: Item Type: Bluetooth Earpiece Material: ABS, Silicone Bluetooth Version: V5.1 Support Bluetooth: A2DP, AVRCP, HFP, HSP, EDR Communication Distance: 10m Frequency Band: 2.4022.480GHz Speaker Impedance: 13+10% Standby Time: 400 Hours Talking Time: 1012 Hours Music Playback Time: 1012 Hours Earphone Charging Time: About 1.5 Hours Charging Time of The Charging Compartment: About 1.5 Hours Battery Capacity: Earpiece: 100mAh Lithium Ion Battery Charging Case: 500mAh Lithium Ion Battery (Included) Package List:1 x Bluetooth Earpiece 1 x Charging Case1 x Charging Cable About this item HIGH DYNAMIC RANGE: Bluetooth earpiece has a high dynamic range and provides you with superior sound that lets you feel every tempo, hear every note, and be fully immersed. Whether you're at the gym, watching a show, or connecting with someone over the p ADAPTABLE DEVICES: Wireless earpiece uses Bluetooth 5.1 technology to provide fast and stable pairing with any for iOS and for Android smartphones, tablets, and laptops up to 10m/10.9yd away, ensuring a stable connection in complex environments. BUILT IN MICROPHONE: Wireless bluetooth earpiece uses advanced CVC8.0 built in HD microphone to provide you with crystal clear sound and natural sound, so you can enjoy premium music and clear phone calls anytime, anywhere. HANDS FREE: Bluetooth handsfree headset supports for Siri and voice helper. Buttons are easy to access and can be easily muted or unmuted with the touch of a button. Voice alerts for battery level, connection status, mute status, and even announces the c COMFORTABLE TO WEAR: Wireless handsfree headset features a monaural design with retractable and rotatable ear hooks for a comfortable fit. It is lightweight and comfortable and can be worn for hours at a time. HIGH DYNAMIC RANGE: Bluetooth earpiece has a high dynamic range and provides you with superior sound that lets you feel every tempo, hear every note, and be fully immersed. Whether you're at the gym, watching a show, or connecting with someone over the p ADAPTABLE DEVICES: Wireless earpiece uses Bluetooth 5.1 technology to provide fast and stable pairing with any for iOS and for Android smartphones, tablets, and laptops up to 10m/10.9yd away, ensuring a stable connection in complex environments. BUILT IN MICROPHONE: Wireless bluetooth earpiece uses advanced CVC8.0 built in HD microphone to provide you with crystal clear sound and natural sound, so you can enjoy premium music and clear phone calls anytime, anywhere. HANDS FREE: Bluetooth handsfree headset supports for Siri and voice helper. Buttons are easy to access and can be easily muted or unmuted with the touch of a button. Voice alerts for battery level, connection status, mute status, and even announces the c COMFORTABLE TO WEAR: Wireless handsfree headset features a monaural design with retractable and rotatable ear hooks for a comfortable fit. It is lightweight and comfortable and can be worn for hours at a time.