NIZUUONE J3 Pro Earphone Touch Control Headset Earbuds with Charging Case for Music Lovers Travelers Exercise [Real Connection] Enjoy stereo with left and right channel separation, delivering hifi sound effects for an immersive experience. [Flexible Usage] Use the earbuds individually or together with a unique two earbud design that caters to various preferences. [Automatic Pairing] Seamlessly pair for binaural communication and 6d noise reduction, ensuring crystal clear voice quality. [Hd Lcd Display] Easily monitor headphone power levels for convenience and enhanced usability. [Premium Materials] Crafted from abs material, these earbuds are sturdy, , and offer an extended service life. [Real Connection] Enjoy stereo with left and right channel separation, delivering hifi sound effects for an immersive experience. [Automatic Pairing] Seamlessly pair for binaural communication and 6d noise reduction, ensuring crystal clear voice quality. [Flexible Usage] Use the earbuds individually or together with a unique two earbud design that caters to various preferences. Spec: Item Type: Earbuds Material: ABS Weight: Approx. 122g/ 4.3oz Version: V5.2+EDR Support Agreement: A2DP1. 3 / HFP1.6 HSP1.2 / AVRCP1.6 / D11.3 Frequency Band: 2.4GHz Distance: 15 25m Standby Time: 6 hours Battery Capacity: 55mAh specially customized rechargeable lithium battery is built in both ears. Battery capacity of charging case is 500mAh Talk Play Time: Single ear play talk time: 2 3 hours; Double ear playback talk time: 4 hours; (Support call reporter, for IOS system power display) Instruction: 1. Open the cover of the charging case and take out the earphone. The earphone will automatically start up and pair. 2. Pair with other devices: open your phone or other devices, search for J3 Pro, and click Connect; 3. Put the headset into charging case and enter charging mode, and the headset will shut down automatically; 4, J3 Pro headset left and right can be connected to different devices separately; 5. J3 Pro earphone will automatically shut down if it is not connected to the device for 5 minutes; Package List: 1 x Charging Case2 x Earbuds 1 x USB Cable 4 x Ear Cap 1 x Instruction