SP16 TWS Bluetooth Earphones Earhook In-ear Wireless Music Headset with Digital Display Charging Box - Red •Good sound quality: Upgraded with high/low frequency dynamic coils. High resolution sound generating unit. Low pitched sound field and high pitched details. Restore a balanced and full natural sound •Dynamic coil unit: Full frequency dynamic coil unit with composite horn. Clear vocal details highlight the overall hierarchy. Better audio quality experience •Bluetooth 5.3: Wireless 5.3 chip automatic pairing connection. Transmission distance>10m,lower power consumption. More stable connection,faster transmission speed •Comfortable to wear: Ergonomic design,ear hanging in-ear earphones,enjoy stable movement without worrying about earphones dropping •Life grade waterproof and sweat resistant: Effectively preventing sweat from damaging earphone components. Even if sweat and rain invade,the sound quality remains the same as before Specifications: •Model: SP16 •Bluetooth chip: 5656T3 •Bluetooth transmission distance: 10M •Product material: ABS/plastic •Speaker: 6U real copper ring 32Ω •Earphone battery: 401015/40mah •Charging compartment battery: 1200mah •Earphone single use time: 3 hours •Charging compartment charging time: 1 hour •Earphone size: 4.2*3.4*2.6cm •Charging box size: 9.6*6.8*3.1cm Package included: •1 x Pair of Bluetooth Earphones •1 x Charging Case •1 x Charging Cable •1 x English User Manual