[True Wireless] Air-TWS S1 Mini Dual Bluetooth Earphone Stereo In-ear Headphone with Charging Box

Features: Design:Air-TWS earphones adopts fashion shape, small and delicate. With the silicone ear fits & caps, wear it more comfortable, free fatigue. HD Stereo Sound: Built in high-quality sound chip, it provides you with the clear high & low volume. Two pieces interconnection, creating special stereo and superb bass surrounding sound, enjoying the true wireless music. Bluetooth 4.2:Advanced CRS Bluetooth 4.2 technology, it has a wider and larger bluetooth effective range(up to 33ft). Automatically paired with the phone, maintain the stable connectivty in different occassions Convenient Charging Box: 320mAh capacity charging box, provides about 3 times charge for the earbuds. Combine the battery bank and storage box into a whole, easy to collect and charge for earbuds. Intelligent Multi-function Keys:Voice alerts for the successful pairing, with a multi-function key,shift/ pause the songs, answer/ refuse the calls, convenient operations for the wireless control for paired devices. Specifications: General Specification Brand Air-TWS Model S1 Color Black Wearing Type In-ear Technical Parameters Microphone Yes Wired Control Not support Bluetooth Version V4.2 Transmission Distance 10m Receive Sensitivity 95dB Impedance 16 Frequency Response 21-18kHz Charger Box Capacity 320mAh, 3.7V Battery Capacity 40mAh*2 Charging Time (h) 2h Taking Time 4h Music Time (h) 3h Standby Time (h) 120h Package Included: 1x Dual Bluetooth Headphones 1x Charging box 1x USB Cable