Green House Completely wireless earphones GH-TWSH series

Specification
*Bluetooth standard: Ver. 5.0*Bluetooth profiles: A2DP, AVRCP, HFP*Output: Class 2*Frequency: 2.4 GHz band (2402 MHz to 2480 MHz)*Bluetooth profiles: A2DP, AVRCP, HFP*Supported codecs: SBC, AAC*ANC: Average -25 dB, maximum -28 dB*Included terminals: Dedicated charging case/USB Type-C*Power supply: DC 5 V (USB powered)*Battery**Earphones: Lithium polymer battery L/R 35 mAh each**Dedicated charging case: Lithium polymer battery: 300 mAh*Playback time**Earphones: Approximately 3 hours 30 minutes (ANC ON), approximately 4 hours (ANC (OFF) *When playing at 60% volume on an Android device *Dedicated charging case: Approximately 2 hours *Charging time: Earphones/approximately 2 hours (can be charged approximately twice with the dedicated charging case) *Headphone output: Maximum 5mW *Dimensions *Earphones: W32 x D21 x H23mm *Dedicated charging case: W64 x D45 x H32mm *Weight *Earphones: Approximately 3.7g each *Dedicated charging case: Approximately 36g *Warranty period: 6 months *Accessories: Dedicated USB Type-C cable (approximately 25cm), earpieces (S/M *pre-installed/L), instruction manual/warranty card *Transmission distance and usage time may vary depending on the environment and circumstances. *Even compatible Bluetooth devices may not function properly. *Multipoint is not supported. *Never use while driving.